US Bridges

Access Road over Dry Ditch

Fair

Solano County, California · 0.01 Miles North of Perim · Structure no. AFCAXDAT00001

Built
1954
71 years old, rebuilt 2020
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
1
2015 count
Owner
Federal
Air Force

About this bridge

Access Road over Dry Ditch is a steel stringer/multi-beam or girder carrying Access Road over Dry Ditch in Solano County, California. It was built in 1954 and reconstructed in 2020, so it is 71 years old, older 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 6 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 1 vehicles a day, projected to reach 1 by 2035. The structure is 27 ft (8.3 m) long and 13 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesAccess Road
CrossesDry Ditch
Location0.01 Miles North of Perim
CountySolano County
StateCalifornia
Coordinates38.2857, -121.89746
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length27 ft (8.3 m)
Longest span25 ft (7.6 m)
Deck width13 ft (3.9 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2015)
Projected traffic1 by 2035
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
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 Access Road over Dry Ditch built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2020.

What condition is Access Road over Dry Ditch 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 2023.

How much traffic does Access Road over Dry Ditch carry?

About 1 vehicles per day (2015 count).

How long is Access Road over Dry Ditch?

The structure is 27 ft (8.3 m) long with a longest span of 25 ft (7.6 m) and a deck 13 ft wide.

Who owns Access Road over Dry Ditch?

It is owned by the Air Force.