US Bridges

STC3879;BURTON LN over Little Weiser River

Good

Washington County, Idaho · 1.8 S. 1.0 E. Cambridge · Structure no. 000000000020026

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
140
2023 count
Owner
County
County Highway Agency

About this bridge

STC3879;BURTON LN over Little Weiser River is a prestressed concrete stringer/multi-beam or girder carrying STC3879;BURTON LN over Little Weiser River in Washington County, Idaho. It was built in 1991, so it is 34 years old, younger 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 140 vehicles a day, roughly 17% of them trucks, projected to reach 210 by 2042. The structure is 119 ft (36.3 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSTC3879;BURTON LN
CrossesLittle Weiser River
Location1.8 S. 1.0 E. Cambridge
RouteCounty Highway 3879
StateIdaho
Coordinates44.54542, -116.65567
Functional classRural Major Collector

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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span116 ft (35.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic210 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was STC3879;BURTON LN over Little Weiser River built?

It was built in 1991, making it 34 years old in 2025.

What condition is STC3879;BURTON LN over Little 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 2023.

How much traffic does STC3879;BURTON LN over Little Weiser River carry?

About 140 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is STC3879;BURTON LN over Little Weiser River?

The structure is 119 ft (36.3 m) long with a longest span of 116 ft (35.4 m) and a deck 33 ft wide.

Who owns STC3879;BURTON LN over Little Weiser River?

It is owned by the County Highway Agency.