SH 21 over Clear Creek;at Lowman

Fair Condition87 years old1,200 vehicles/day

Location

StateIdaho
CountyBoise
LocationAt Lowman
CarriesSH 21
CrossesClear Creek;at Lowman
Coordinates44.08248, -115.61271

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length149.9 ft (45.7 m)
Max Span60.0 ft (18.3 m)
Deck Width30.8 ft (9.4 m)
Deck Area429.6 sq m
Main Spans3
Year Built1939

Traffic

Avg Daily Traffic1,200 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012890

Nearby Bridges

SH 21 over S.fk.payette R;lowman Br 0.3 mi Fair Sma 3824;bnks Lwmn over Deadwood River 2.3 mi Good Park Ck. C.g. Rd. over Clear Creek 2.9 mi Good Campgrd. Access over South Fork Payette River 3.6 mi Fair Long Creek Road over Clear Creek 3.6 mi Good Archie Ck. Road over South Fork Payette River 4.8 mi Fair