US Bridges

I0049 over Hill Bayou

Good

Rapides Parish, Louisiana · 3.09 Mi. North of LA 3250 · Structure no. 084004550529621

Built
1995
30 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
53,224
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Hill Bayou is a prestressed concrete continuous stringer/multi-beam or girder carrying I0049 over Hill Bayou in Rapides Parish, Louisiana. It was built in 1995, so it is 30 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 53,224 vehicles a day, roughly 16% of them trucks, projected to reach 58,546 by 2041. The structure is 140 ft (42.7 m) long and 61 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI0049
CrossesHill Bayou
Location3.09 Mi. North of LA 3250
RouteInterstate 49
Coordinates31.29783, -92.44472
Functional classUrban Principal Arterial - Interstate

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span45 ft (13.7 m)
Deck width61 ft (18.6 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,224 (2021)
Projected traffic58,546 by 2041
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I0049 over Hill Bayou built?

It was built in 1995, making it 30 years old in 2025.

What condition is I0049 over Hill Bayou 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 February 2024.

How much traffic does I0049 over Hill Bayou carry?

About 53,224 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I0049 over Hill Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 45 ft (13.7 m) and a deck 61 ft wide.

Who owns I0049 over Hill Bayou?

It is owned by the State Highway Agency.