US Bridges

Gibson Road over Freshwater Creek

Fair

Colusa County, California · 0.1 MI N/O Freshwater RD · Structure no. 15C0190

Built
2001
24 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
54 ft
2 main spans
Daily traffic
41
2014 count
Owner
County
County Highway Agency

About this bridge

Gibson Road over Freshwater Creek is a concrete continuous slab carrying Gibson Road over Freshwater Creek in Colusa County, California. It was built in 2001, so it is 24 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 5 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 41 vehicles a day, roughly 10% of them trucks, projected to reach 122 by 2044. The structure is 54 ft (16.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGibson Road
CrossesFreshwater Creek
Location0.1 MI N/O Freshwater RD
RouteCounty Highway 0
CountyColusa County
StateCalifornia
Coordinates39.17653, -122.18909
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length54 ft (16.6 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2014)
Projected traffic122 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Gibson Road over Freshwater Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Gibson Road over Freshwater 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 October 2024.

How much traffic does Gibson Road over Freshwater Creek carry?

About 41 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Gibson Road over Freshwater Creek?

The structure is 54 ft (16.6 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns Gibson Road over Freshwater Creek?

It is owned by the County Highway Agency.