US Bridges

Road 28 over Branch Walker Creek

GoodPosted for load

Glenn County, California · 0.3 MI W/O Road F · Structure no. 11C0107

Built
1925
100 years old, rebuilt 1975
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
2 main spans
Daily traffic
155
2006 count
Owner
County
County Highway Agency

About this bridge

Road 28 over Branch Walker Creek is a steel stringer/multi-beam or girder carrying Road 28 over Branch Walker Creek in Glenn County, California. It was built in 1925 and reconstructed in 1975, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 155 vehicles a day, roughly 15% of them trucks, projected to reach 146 by 2047. The structure is 24 ft (7.3 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoad 28
CrossesBranch Walker Creek
Location0.3 MI W/O Road F
RouteCounty Highway 0
Coordinates39.66815, -122.24137
Functional classRural Minor 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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.4 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2006)
Projected traffic146 by 2047
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Road 28 over Branch Walker Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1975.

What condition is Road 28 over Branch Walker 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 February 2025.

How much traffic does Road 28 over Branch Walker Creek carry?

About 155 vehicles per day (2006 count), of which roughly 15% are trucks.

How long is Road 28 over Branch Walker Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns Road 28 over Branch Walker Creek?

It is owned by the County Highway Agency.