US Bridges

Stelly RD over I-49

Good

St. Landry Parish, Louisiana · 0.6 MI North of LA 103 · Structure no. 034904550217391

Built
1987
38 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
416 ft
4 main spans
Daily traffic
1,710
2018 count
Owner
State
State Highway Agency

About this bridge

Stelly RD over I-49 is a steel stringer/multi-beam or girder carrying Stelly RD over I-49 in St. Landry Parish, Louisiana. It was built in 1987, so it is 38 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 1,710 vehicles a day, projected to reach 1,881 by 2038. The structure is 416 ft (126.8 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesStelly RD
CrossesI-49
Location0.6 MI North of LA 103
RouteCounty Highway 0
CountySt. Landry Parish
StateLouisiana
Coordinates30.62106, -92.0467
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 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 rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length416 ft (126.8 m)
Longest span130 ft (39.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,710 (2018)
Projected traffic1,881 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Stelly RD over I-49 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Stelly RD over I-49 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 June 2024.

How much traffic does Stelly RD over I-49 carry?

About 1,710 vehicles per day (2018 count).

How long is Stelly RD over I-49?

The structure is 416 ft (126.8 m) long with a longest span of 130 ft (39.6 m) and a deck 31 ft wide.

Who owns Stelly RD over I-49?

It is owned by the State Highway Agency.