US 20 Wbl over Snake River;lorenzo Br.

Fair Condition52 years old15,250 vehicles/day

Location

StateIdaho
CountyJefferson
Location0.3 N. Lorenzo
CarriesUS 20 Wbl
CrossesSnake River;lorenzo Br.
Coordinates43.73242, -111.86783

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour Critical4 — Foundations need monitoring

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length642.1 ft (195.7 m)
Max Span107.0 ft (32.6 m)
Deck Width44.6 ft (13.6 m)
Deck Area2661.5 sq m
Main Spans6
Year Built1974

Traffic

Avg Daily Traffic15,250 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012500

Nearby Bridges

US 20 Ebl over Snake River;lorenzo Br. 0.1 mi Fair US 20 Wbl over Menan-lorenzo RD Ic 0.6 mi Good S6746;menan-lorenz over Island Canal 0.6 mi Fair US 20 Ebl over Menan-lorenzo RD Ic 0.7 mi Good Stc 6709; N 4200 E over Island Canal 0.7 mi Fair Eastside Drive over Liberty Park Canal 1.0 mi Good US 20 Wbl over Menan Canal 1.2 mi Fair US 20 Ebl over Menan Canal 1.2 mi Fair Eastside Drive over Texas Slough 1.3 mi Good E 600 N RD over Long Island Canal 1.3 mi Fair