US Bridges

Congress Blvd over Dawson CR

Good

East Baton Rouge Parish, Louisiana · 0.1 Mi. N. of LA 427 · Structure no. 611700000611720

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
4,262
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Congress Blvd over Dawson CR is a prestressed concrete stringer/multi-beam or girder carrying Congress Blvd over Dawson CR in East Baton Rouge Parish, Louisiana. It was built in 2021, so it is 4 years old, younger than the Louisiana average of 43 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 4,262 vehicles a day, projected to reach 4,688 by 2041. The structure is 120 ft (36.6 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCongress Blvd
CrossesDawson CR
Location0.1 Mi. N. of LA 427
RouteCity Street 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.41442, -91.13605
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width63 ft (19.2 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,262 (2021)
Projected traffic4,688 by 2041
Trucks—
Lanes on structure3
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 Congress Blvd over Dawson CR built?

It was built in 2021, making it 4 years old in 2025.

What condition is Congress Blvd over Dawson CR 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 December 2023.

How much traffic does Congress Blvd over Dawson CR carry?

About 4,262 vehicles per day (2021 count).

How long is Congress Blvd over Dawson CR?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 63 ft wide.

Who owns Congress Blvd over Dawson CR?

It is owned by the City or Municipal Highway Agency.