US Bridges

Carson RD over Sandy Creek

Good

East Baton Rouge Parish, Louisiana · 1.0 Miles Northeast of MI · Structure no. 611700000800472

Built
2012
13 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
242 ft
6 main spans
Daily traffic
115
2019 count
Owner
County
County Highway Agency

About this bridge

Carson RD over Sandy Creek is a prestressed concrete box beam or girders - multiple carrying Carson RD over Sandy Creek in East Baton Rouge Parish, Louisiana. It was built in 2012, so it is 13 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 115 vehicles a day, projected to reach 126 by 2039. The structure is 242 ft (73.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCarson RD
CrossesSandy Creek
Location1.0 Miles Northeast of MI
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.67025, -90.95987
Functional classRural 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 protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2019)
Projected traffic126 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carson RD over Sandy Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Carson RD over Sandy Creek 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 November 2023.

How much traffic does Carson RD over Sandy Creek carry?

About 115 vehicles per day (2019 count).

How long is Carson RD over Sandy Creek?

The structure is 242 ft (73.8 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Carson RD over Sandy Creek?

It is owned by the County Highway Agency.