US Bridges

South Avenue over UP RR Tracks

Good

Merced County, California · 0.2 MI East of SR 99 · Structure no. 39C0042

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
3,500
2000 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Avenue over UP RR Tracks is a prestressed concrete continuous box beam or girders - multiple carrying South Avenue over UP RR Tracks in Merced County, California. It was built in 2000, so it is 25 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 3% of them trucks, projected to reach 5,470 by 2045. The structure is 176 ft (53.7 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSouth Avenue
CrossesUP RR Tracks
Location0.2 MI East of SR 99
RouteCounty Highway 0
CountyMerced County
StateCalifornia
Coordinates37.42616, -120.7697
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.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length176 ft (53.7 m)
Longest span72 ft (21.8 m)
Deck width47 ft (14.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2000)
Projected traffic5,470 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Avenue over UP RR Tracks built?

It was built in 2000, making it 25 years old in 2025.

What condition is South Avenue over UP RR Tracks 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 October 2023.

How much traffic does South Avenue over UP RR Tracks carry?

About 3,500 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is South Avenue over UP RR Tracks?

The structure is 176 ft (53.7 m) long with a longest span of 72 ft (21.8 m) and a deck 47 ft wide.

Who owns South Avenue over UP RR Tracks?

It is owned by the City or Municipal Highway Agency.