US Bridges

US-79/SEC-13/L0.23 over Bayou Lagrue

PoorPosted for load

Monroe County, Arkansas · .23 MI NE of Prairie CO · Structure no. 000000000002391

Built
1950
75 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
242 ft
8 main spans
Daily traffic
3,600
2019 count
Owner
State
State Highway Agency

About this bridge

US-79/SEC-13/L0.23 over Bayou Lagrue is a steel stringer/multi-beam or girder carrying US-79/SEC-13/L0.23 over Bayou Lagrue in Monroe County, Arkansas. It was built in 1950, so it is 75 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 3,600 vehicles a day, roughly 1% of them trucks, projected to reach 4,127 by 2028. The structure is 242 ft (73.8 m) long and 29 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesUS-79/SEC-13/L0.23
CrossesBayou Lagrue
Location.23 MI NE of Prairie CO
RouteU.S. Route 79
Coordinates34.61091, -91.4136
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length242 ft (73.8 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2019)
Projected traffic4,127 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US-79/SEC-13/L0.23 over Bayou Lagrue built?

It was built in 1950, making it 75 years old in 2025.

What condition is US-79/SEC-13/L0.23 over Bayou Lagrue in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does US-79/SEC-13/L0.23 over Bayou Lagrue carry?

About 3,600 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is US-79/SEC-13/L0.23 over Bayou Lagrue?

The structure is 242 ft (73.8 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns US-79/SEC-13/L0.23 over Bayou Lagrue?

It is owned by the State Highway Agency.