US Bridges

Bird Street over Hammatt Lateral

Good

Merced County, California · 0.6 MI W Cresy Road · Structure no. 39C0367

Built
2005
20 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
200
2002 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bird Street over Hammatt Lateral is a prestressed concrete slab carrying Bird Street over Hammatt Lateral in Merced County, California. It was built in 2005, so it is 20 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 318 by 2042. The structure is 59 ft (17.9 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBird Street
CrossesHammatt Lateral
Location0.6 MI W Cresy Road
RouteCity Street 0
Coordinates37.40255, -120.72296
Functional classUrban 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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length59 ft (17.9 m)
Longest span54 ft (16.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2002)
Projected traffic318 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Bird Street over Hammatt Lateral built?

It was built in 2005, making it 20 years old in 2025.

What condition is Bird Street over Hammatt Lateral 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 January 2024.

How much traffic does Bird Street over Hammatt Lateral carry?

About 200 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is Bird Street over Hammatt Lateral?

The structure is 59 ft (17.9 m) long with a longest span of 54 ft (16.6 m) and a deck 25 ft wide.

Who owns Bird Street over Hammatt Lateral?

It is owned by the City or Municipal Highway Agency.