US Bridges

SH 1-05 Lm 1.00 over Little Lagrue Bayou

Fair

Arkansas County, Arkansas · 1.0 MI N SH 1B-DEWITT · Structure no. 000000000003385

Built
1962
63 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
210 ft
7 main spans
Daily traffic
2,000
2018 count
Owner
State
State Highway Agency

About this bridge

SH 1-05 Lm 1.00 over Little Lagrue Bayou is a concrete slab carrying SH 1-05 Lm 1.00 over Little Lagrue Bayou in Arkansas County, Arkansas. It was built in 1962, so it is 63 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,946 by 2028. The structure is 210 ft (64 m) long and 33 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSH 1-05 Lm 1.00
CrossesLittle Lagrue Bayou
Location1.0 MI N SH 1B-DEWITT
RouteState Highway 1
CountyArkansas County
StateArkansas
Coordinates34.30325, -91.31328
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2018)
Projected traffic1,946 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 1-05 Lm 1.00 over Little Lagrue Bayou built?

It was built in 1962, making it 63 years old in 2025.

What condition is SH 1-05 Lm 1.00 over Little Lagrue Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does SH 1-05 Lm 1.00 over Little Lagrue Bayou carry?

About 2,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 1-05 Lm 1.00 over Little Lagrue Bayou?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns SH 1-05 Lm 1.00 over Little Lagrue Bayou?

It is owned by the State Highway Agency.