US Bridges

Shaw Lane over M.Fk.Weiser River

Good

Adams County, Idaho · 5.0 S. Council · Structure no. 000000000026507

Built
1951
74 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete
Length
62 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Shaw Lane over M.Fk.Weiser River is a concrete tee beam carrying Shaw Lane over M.Fk.Weiser River in Adams County, Idaho. It was built in 1951, so it is 74 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 15 by 2042. The structure is 62 ft (18.9 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesShaw Lane
CrossesM.Fk.Weiser River
Location5.0 S. Council
RouteCounty Highway 0
StateIdaho
Coordinates44.65842, -116.45189
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$596,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Shaw Lane over M.Fk.Weiser River built?

It was built in 1951, making it 74 years old in 2025.

What condition is Shaw Lane over M.Fk.Weiser River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Shaw Lane over M.Fk.Weiser River carry?

About 10 vehicles per day (2023 count).

How long is Shaw Lane over M.Fk.Weiser River?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns Shaw Lane over M.Fk.Weiser River?

It is owned by the County Highway Agency.