US Bridges

Mt Veeder RD over Dry Creek

Fair

Napa County, California · 0.1 MI S Dry Creek RD · Structure no. 21C0065

Built
1930
95 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
173
2014 count
Owner
County
County Highway Agency

About this bridge

Mt Veeder RD over Dry Creek is a concrete tee beam carrying Mt Veeder RD over Dry Creek in Napa County, California. It was built in 1930, so it is 95 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 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 173 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2040. The structure is 26 ft (8 m) long and 20 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesMt Veeder RD
CrossesDry Creek
Location0.1 MI S Dry Creek RD
RouteCounty Highway 0
Coordinates38.40583, -122.44097
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (8 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2014)
Projected traffic160 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Mt Veeder RD over Dry Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mt Veeder RD over Dry 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 May 2023.

How much traffic does Mt Veeder RD over Dry Creek carry?

About 173 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Mt Veeder RD over Dry Creek?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns Mt Veeder RD over Dry Creek?

It is owned by the County Highway Agency.