US Bridges

US 270 over Ouachita River

Fair

Montgomery County, Arkansas · 1.5 M E JCT SH 298 · Structure no. 000000000003684

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
582 ft
3 main spans
Daily traffic
2,600
2018 count
Owner
State
State Highway Agency

About this bridge

US 270 over Ouachita River is a steel stringer/multi-beam or girder carrying US 270 over Ouachita River in Montgomery County, Arkansas. It was built in 1963, so it is 62 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 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 2,600 vehicles a day, roughly 7% of them trucks, projected to reach 2,900 by 2038. The structure is 582 ft (177.4 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS 270
CrossesOuachita River
Location1.5 M E JCT SH 298
RouteU.S. Route 270
CountyMontgomery County
StateArkansas
Coordinates34.61107, -93.69942
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadH 20
Structure length582 ft (177.4 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2018)
Projected traffic2,900 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$878,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 270 over Ouachita River built?

It was built in 1963, making it 62 years old in 2025.

What condition is US 270 over Ouachita River 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 2024.

How much traffic does US 270 over Ouachita River carry?

About 2,600 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is US 270 over Ouachita River?

The structure is 582 ft (177.4 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns US 270 over Ouachita River?

It is owned by the State Highway Agency.