US Bridges

Wynham DR over Union House Creek

Good

Sacramento County, California · 0.1 MI W Bruceville RD · Structure no. 24C0294

Built
1975
50 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
4,257
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wynham DR over Union House Creek is a concrete continuous slab carrying Wynham DR over Union House Creek in Sacramento County, California. It was built in 1975, so it is 50 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 4,257 vehicles a day, roughly 10% of them trucks, projected to reach 2,905 by 2042. The structure is 41 ft (12.6 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWynham DR
CrossesUnion House Creek
Location0.1 MI W Bruceville RD
RouteCity Street 0
Coordinates38.46891, -121.42038
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length41 ft (12.6 m)
Longest span20 ft (6.1 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,257 (2009)
Projected traffic2,905 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Wynham DR over Union House Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Wynham DR over Union House 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 2024.

How much traffic does Wynham DR over Union House Creek carry?

About 4,257 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Wynham DR over Union House Creek?

The structure is 41 ft (12.6 m) long with a longest span of 20 ft (6.1 m) and a deck 76 ft wide.

Who owns Wynham DR over Union House Creek?

It is owned by the City or Municipal Highway Agency.