US Bridges

Dally RD over New Alamo Creek Channel

Good

Solano County, California · 0.7 MI South of Fry RD · Structure no. 23C0206

Built
1966
59 years old
Condition
Good
inspected March 2021
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
191
2003 count
Owner
County
County Highway Agency

About this bridge

Dally RD over New Alamo Creek Channel is a concrete continuous slab carrying Dally RD over New Alamo Creek Channel in Solano County, California. It was built in 1966, so it is 59 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 191 vehicles a day, roughly 5% of them trucks, projected to reach 205 by 2038. The structure is 88 ft (26.8 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDally RD
CrossesNew Alamo Creek Channel
Location0.7 MI South of Fry RD
RouteCounty Highway 0
Coordinates38.32963, -121.86937
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2003)
Projected traffic205 by 2038
Trucks5%
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 Dally RD over New Alamo Creek Channel built?

It was built in 1966, making it 59 years old in 2025.

What condition is Dally RD over New Alamo Creek Channel 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 March 2021.

How much traffic does Dally RD over New Alamo Creek Channel carry?

About 191 vehicles per day (2003 count), of which roughly 5% are trucks.

How long is Dally RD over New Alamo Creek Channel?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns Dally RD over New Alamo Creek Channel?

It is owned by the County Highway Agency.