US Bridges

I0049 over Hynson Bayou

Good

Rapides Parish, Louisiana · 1.11 Mi. South of US 167B · Structure no. 084004550528798

Built
1995
30 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
565 ft
3 main spans
Daily traffic
31,285
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Hynson Bayou is a concrete continuous box beam or girders - single or spread carrying I0049 over Hynson 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 31,285 vehicles a day, roughly 16% of them trucks, projected to reach 34,413 by 2041. The structure is 565 ft (172.2 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0049
CrossesHynson Bayou
Location1.11 Mi. South of US 167B
RouteInterstate 49
CountyRapides Parish
StateLouisiana
Coordinates31.2862, -92.44199
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadHS 20
Structure length565 ft (172.2 m)
Longest span85 ft (25.9 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,285 (2021)
Projected traffic34,413 by 2041
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Hynson Bayou built?

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

What condition is I0049 over Hynson 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 April 2024.

How much traffic does I0049 over Hynson Bayou carry?

About 31,285 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I0049 over Hynson Bayou?

The structure is 565 ft (172.2 m) long with a longest span of 85 ft (25.9 m) and a deck 38 ft wide.

Who owns I0049 over Hynson Bayou?

It is owned by the State Highway Agency.