US Bridges

College DR over Dawson Creek

Fair

East Baton Rouge Parish, Louisiana · 0.1 MI N of LA 427 · Structure no. 611730252910851

Built
1968
57 years old, rebuilt 2000
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
102 ft
5 main spans
Daily traffic
49,656
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

College DR over Dawson Creek is a concrete slab carrying College DR over Dawson Creek in East Baton Rouge Parish, Louisiana. It was built in 1968 and reconstructed in 2000, so it is 57 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 49,656 vehicles a day, projected to reach 54,621 by 2039. The structure is 102 ft (31.1 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCollege DR
CrossesDawson Creek
Location0.1 MI N of LA 427
RouteCity Street 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.41777, -91.14238
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span20 ft (6.1 m)
Deck width70 ft (21.3 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,656 (2019)
Projected traffic54,621 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty 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 College DR over Dawson Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2000.

What condition is College DR over Dawson Creek 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 June 2023.

How much traffic does College DR over Dawson Creek carry?

About 49,656 vehicles per day (2019 count).

How long is College DR over Dawson Creek?

The structure is 102 ft (31.1 m) long with a longest span of 20 ft (6.1 m) and a deck 70 ft wide.

Who owns College DR over Dawson Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.