US Bridges

SH-1/SEC-6/L-3.45 over Indian Bayou

Fair

Monroe County, Arkansas · 3.45 MI E of White River · Structure no. 000000000005856

Built
1981
44 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
381 ft
7 main spans
Daily traffic
940
2019 count
Owner
State
State Highway Agency

About this bridge

SH-1/SEC-6/L-3.45 over Indian Bayou is a steel continuous stringer/multi-beam or girder carrying SH-1/SEC-6/L-3.45 over Indian Bayou in Monroe County, Arkansas. It was built in 1981, so it is 44 years old, younger 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 5 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 940 vehicles a day, roughly 27% of them trucks, projected to reach 1,200 by 2038. The structure is 381 ft (116.2 m) long and 43 ft wide. If it were closed, the detour would be 72.1 mi (116 km).

CarriesSH-1/SEC-6/L-3.45
CrossesIndian Bayou
Location3.45 MI E of White River
RouteState Highway 1
Coordinates34.40832, -91.08348
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length381 ft (116.2 m)
Longest span57 ft (17.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2019)
Projected traffic1,200 by 2038
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed72.1 mi (116 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/SEC-6/L-3.45 over Indian Bayou built?

It was built in 1981, making it 44 years old in 2025.

What condition is SH-1/SEC-6/L-3.45 over Indian 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 November 2024.

How much traffic does SH-1/SEC-6/L-3.45 over Indian Bayou carry?

About 940 vehicles per day (2019 count), of which roughly 27% are trucks.

How long is SH-1/SEC-6/L-3.45 over Indian Bayou?

The structure is 381 ft (116.2 m) long with a longest span of 57 ft (17.4 m) and a deck 43 ft wide.

Who owns SH-1/SEC-6/L-3.45 over Indian Bayou?

It is owned by the State Highway Agency.