US Bridges

Devlin Road over Fagan Creek

Good

Napa County, California · 0.1 MI N of Tower RD · Structure no. 21C0139

Built
2019
6 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
3,500
2020 count
Owner
County
County Highway Agency

About this bridge

Devlin Road over Fagan Creek is a prestressed concrete stringer/multi-beam or girder carrying Devlin Road over Fagan Creek in Napa County, California. It was built in 2019, so it is 6 years old, younger 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 3,500 vehicles a day, roughly 20% of them trucks, projected to reach 4,081 by 2044. The structure is 92 ft (28 m) long and 63 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesDevlin Road
CrossesFagan Creek
Location0.1 MI N of Tower RD
RouteCounty Highway 0
CountyNapa County
StateCalifornia
Coordinates38.21346, -122.26328
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length92 ft (28 m)
Longest span89 ft (27.2 m)
Deck width63 ft (19.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2020)
Projected traffic4,081 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Devlin Road over Fagan Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Devlin Road over Fagan 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 May 2024.

How much traffic does Devlin Road over Fagan Creek carry?

About 3,500 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Devlin Road over Fagan Creek?

The structure is 92 ft (28 m) long with a longest span of 89 ft (27.2 m) and a deck 63 ft wide.

Who owns Devlin Road over Fagan Creek?

It is owned by the County Highway Agency.