US Bridges

Road 28 over Thomas Creek

Good

Lake County, Oregon · No Data Entered · Structure no. 060202000019022

Built
2014
11 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road 28 over Thomas Creek is a prestressed concrete slab carrying Road 28 over Thomas Creek in Lake County, Oregon. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 35 ft (10.7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRoad 28
CrossesThomas Creek
LocationNo Data Entered
RouteFederal Lands Road 28000
CountyLake County
StateOregon
Coordinates42.36213, -120.59862
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span32 ft (9.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 28 over Thomas Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Road 28 over 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 September 2024.

How much traffic does Road 28 over Thomas Creek carry?

About 50 vehicles per day (latest count).

How long is Road 28 over Thomas Creek?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.9 m) and a deck 25 ft wide.

Who owns Road 28 over Thomas Creek?

It is owned by the U.S. Forest Service.