SH 21 over Mores Cr.;grimes Cr.road

Fair Condition68 years old2,900 vehicles/day

Location

StateIdaho
CountyBoise
Location9.5 S. Idaho City
CarriesSH 21
CrossesMores Cr.;grimes Cr.road
Coordinates43.72567, -115.95147

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length40.0 ft (12.2 m)
Max Span38.7 ft (11.8 m)
Deck Width36.1 ft (11 m)
Deck Area134.2 sq m
Main Spans1
Year Built1958

Traffic

Avg Daily Traffic2,900 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012835

Nearby Bridges

Avelene Ck. Road over Grimes Creek 0.1 mi Poor SH 21 over Mores Cr.;at Minniha CR 0.7 mi Fair Private Road over Mores Creek 0.8 mi Good SH 21 over Mores Cr.;wildcat Gulch 1.0 mi Good SH 21 over Mores Cr.;stierman Gulch 1.3 mi Good SH 21 over Mores Cr.;spencers Cabin 1.3 mi Good SH 21 over Mores Cr;thorn Creek 2.0 mi Good Stc3883;clear Crk over Grimes Creek 2.4 mi Fair Pine Creek Road over Grimes Creek 3.1 mi Fair SH 21 over Mores Cr; Dunnigan CR 3.5 mi Good