US Bridges

US 71 SEC.01-9.24 over Sulphur River

Good

Miller County, Arkansas · 3.9 N of Doddridge · Structure no. 000000000005822

Built
1982
43 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
562 ft
3 main spans
Daily traffic
680
2018 count
Owner
State
State Highway Agency

About this bridge

US 71 SEC.01-9.24 over Sulphur River is a prestressed concrete continuous stringer/multi-beam or girder carrying US 71 SEC.01-9.24 over Sulphur River in Miller County, Arkansas. It was built in 1982, so it is 43 years old, younger than the Arkansas average of 45.1 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 680 vehicles a day, roughly 31% of them trucks, projected to reach 800 by 2038. The structure is 562 ft (171.3 m) long and 47 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesUS 71 SEC.01-9.24
CrossesSulphur River
Location3.9 N of Doddridge
RouteU.S. Route 71
Coordinates33.14864, -93.89214
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length562 ft (171.3 m)
Longest span96 ft (29.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2018)
Projected traffic800 by 2038
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

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 US 71 SEC.01-9.24 over Sulphur River built?

It was built in 1982, making it 43 years old in 2025.

What condition is US 71 SEC.01-9.24 over Sulphur River 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 December 2024.

How much traffic does US 71 SEC.01-9.24 over Sulphur River carry?

About 680 vehicles per day (2018 count), of which roughly 31% are trucks.

How long is US 71 SEC.01-9.24 over Sulphur River?

The structure is 562 ft (171.3 m) long with a longest span of 96 ft (29.3 m) and a deck 47 ft wide.

Who owns US 71 SEC.01-9.24 over Sulphur River?

It is owned by the State Highway Agency.