US Bridges

Oak Grove RD over S Fk Caddo River

Fair

Montgomery County, Arkansas · .4 MI S JCT SH 240 · Structure no. 000000000015464

Built
1949
76 years old, rebuilt 1977
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
76 ft
5 main spans
Daily traffic
63
2018 count
Owner
County
County Highway Agency

About this bridge

Oak Grove RD over S Fk Caddo River is a concrete slab carrying Oak Grove RD over S Fk Caddo River in Montgomery County, Arkansas. It was built in 1949 and reconstructed in 1977, so it is 76 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 63 vehicles a day, roughly 1% of them trucks, projected to reach 83 by 2007. The structure is 76 ft (23.2 m) long and 12 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesOak Grove RD
CrossesS Fk Caddo River
Location.4 MI S JCT SH 240
RouteCounty Highway 5
Coordinates34.35521, -93.67973
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span15 ft (4.6 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2018)
Projected traffic83 by 2007
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$46,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Oak Grove RD over S Fk Caddo River built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1977.

What condition is Oak Grove RD over S Fk Caddo 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 February 2024.

How much traffic does Oak Grove RD over S Fk Caddo River carry?

About 63 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Oak Grove RD over S Fk Caddo River?

The structure is 76 ft (23.2 m) long with a longest span of 15 ft (4.6 m) and a deck 12 ft wide.

Who owns Oak Grove RD over S Fk Caddo River?

It is owned by the County Highway Agency.