US Bridges

State Route 149 NB over Clear Creek

Good

Butte County, California · 03-BUT-149-R3.96 · Structure no. 12 0073R

Built
1951
74 years old, rebuilt 1975
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
6,875
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 149 NB over Clear Creek is a concrete continuous slab carrying State Route 149 NB over Clear Creek in Butte County, California. It was built in 1951 and reconstructed in 1975, so it is 74 years old, older than the California average of 54.8 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 6,875 vehicles a day, roughly 6% of them trucks, projected to reach 10,720 by 2041. The structure is 73 ft (22.3 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesState Route 149 NB
CrossesClear Creek
Location03-BUT-149-R3.96
RouteState Highway 149
Coordinates39.61267, -121.67768
Functional classRural Principal Arterial - Other

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 inspectionApril 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span23 ft (7.1 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,875 (2020)
Projected traffic10,720 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 149 NB over Clear Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1975.

What condition is State Route 149 NB over Clear 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 April 2023.

How much traffic does State Route 149 NB over Clear Creek carry?

About 6,875 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is State Route 149 NB over Clear Creek?

The structure is 73 ft (22.3 m) long with a longest span of 23 ft (7.1 m) and a deck 44 ft wide.

Who owns State Route 149 NB over Clear Creek?

It is owned by the State Highway Agency.