US Bridges

1-10 over East Fork Thomas Creek

Good

Lake County, Oregon · 1.01 MI West of Lakeview · Structure no. 37C0111-1000101

Built
1982
43 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
396
2020 count
Owner
County
County Highway Agency

About this bridge

1-10 over East Fork Thomas Creek is a prestressed concrete slab carrying 1-10 over East Fork Thomas Creek in Lake County, Oregon. It was built in 1982, so it is 43 years old, younger than the Oregon average of 49.9 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 396 vehicles a day, roughly 5% of them trucks, projected to reach 416 by 2025. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries1-10
CrossesEast Fork Thomas Creek
Location1.01 MI West of Lakeview
RouteCounty Highway 0B334
StateOregon
Coordinates42.17879, -120.37599
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic396 (2020)
Projected traffic416 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1-10 over East Fork Thomas Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 1-10 over East Fork Thomas Creek 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 July 2024.

How much traffic does 1-10 over East Fork Thomas Creek carry?

About 396 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 1-10 over East Fork Thomas Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns 1-10 over East Fork Thomas Creek?

It is owned by the County Highway Agency.