US Bridges

Stanford Ave over University Lake Spillway

Fair

East Baton Rouge Parish, Louisiana · 1.4 M S of I10 · Structure no. 611730250910981

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
71 ft
3 main spans
Daily traffic
23,240
2019 count
Owner
County
County Highway Agency

About this bridge

Stanford Ave over University Lake Spillway is a concrete slab carrying Stanford Ave over University Lake Spillway in East Baton Rouge Parish, Louisiana. It was built in 1965, so it is 60 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 23,240 vehicles a day, projected to reach 25,564 by 2039. The structure is 71 ft (21.6 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStanford Ave
CrossesUniversity Lake Spillway
Location1.4 M S of I10
RouteCounty Highway 0
Coordinates30.40708, -91.16462
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span24 ft (7.3 m)
Deck width57 ft (17.4 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,240 (2019)
Projected traffic25,564 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$402,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stanford Ave over University Lake Spillway built?

It was built in 1965, making it 60 years old in 2025.

What condition is Stanford Ave over University Lake Spillway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Stanford Ave over University Lake Spillway carry?

About 23,240 vehicles per day (2019 count).

How long is Stanford Ave over University Lake Spillway?

The structure is 71 ft (21.6 m) long with a longest span of 24 ft (7.3 m) and a deck 57 ft wide.

Who owns Stanford Ave over University Lake Spillway?

It is owned by the County Highway Agency.