US Bridges

First Street over Crowley Gulch

Good

Shasta County, California · .2 MI W/O SR5 · Structure no. 06C0296

Built
1960
65 years old, rebuilt 1967
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
59 ft
3 main spans
Daily traffic
1,500
2014 count
Owner
County
County Highway Agency

About this bridge

First Street over Crowley Gulch is a concrete continuous slab carrying First Street over Crowley Gulch in Shasta County, California. It was built in 1960 and reconstructed in 1967, so it is 65 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 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 2,088 by 2041. The structure is 59 ft (18 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFirst Street
CrossesCrowley Gulch
Location.2 MI W/O SR5
RouteCounty Highway 0
Coordinates40.38564, -122.28846
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width48 ft (14.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2014)
Projected traffic2,088 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 First Street over Crowley Gulch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1967.

What condition is First Street over Crowley Gulch 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 2024.

How much traffic does First Street over Crowley Gulch carry?

About 1,500 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is First Street over Crowley Gulch?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 48 ft wide.

Who owns First Street over Crowley Gulch?

It is owned by the County Highway Agency.