US Bridges

Road M2 over Thomes Creek

Fair

Tehama County, California · No Data Entered · Structure no. 050853000001013

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
75 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road M2 over Thomes Creek is a concrete box beam or girders - single or spread carrying Road M2 over Thomes Creek in Tehama County, California. It was built in 1981, so it is 44 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 75 ft (22.9 m) long and 20 ft wide.

Location

Open in Google Maps
CarriesRoad M2
CrossesThomes Creek
LocationNo Data Entered
RouteFederal Lands Road 0M2
CountyTehama County
StateCalifornia
Coordinates39.99347, -122.79559
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating96.8 US tons
Inventory rating74.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span53 ft (16.2 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Road M2 over Thomes Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Road M2 over Thomes Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Road M2 over Thomes Creek carry?

About 50 vehicles per day (latest count).

How long is Road M2 over Thomes Creek?

The structure is 75 ft (22.9 m) long with a longest span of 53 ft (16.2 m) and a deck 20 ft wide.

Who owns Road M2 over Thomes Creek?

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