US Bridges

Mankas Corner RD over Gordon Creek

Good

Solano County, California · 0.15 MI E Suisun Valley R · Structure no. 23C0078

Built
1961
64 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
23 ft
3 main spans
Daily traffic
2,227
2003 count
Owner
County
County Highway Agency

About this bridge

Mankas Corner RD over Gordon Creek is a concrete continuous culvert carrying Mankas Corner RD over Gordon Creek in Solano County, California. It was built in 1961, so it is 64 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 2,227 vehicles a day, roughly 8% of them trucks, projected to reach 4,842 by 2045. The structure is 23 ft (7 m) long and 49 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMankas Corner RD
CrossesGordon Creek
Location0.15 MI E Suisun Valley R
RouteCounty Highway 0
Coordinates38.2869, -122.11617
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width49 ft (14.9 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,227 (2003)
Projected traffic4,842 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Mankas Corner RD over Gordon Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Mankas Corner RD over Gordon 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 November 2023.

How much traffic does Mankas Corner RD over Gordon Creek carry?

About 2,227 vehicles per day (2003 count), of which roughly 8% are trucks.

How long is Mankas Corner RD over Gordon Creek?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m) and a deck 49 ft wide.

Who owns Mankas Corner RD over Gordon Creek?

It is owned by the County Highway Agency.