US Bridges

Murphy Rd. over S Fk Ouachita River

FairPosted for load

Montgomery County, Arkansas · 5.11 M W JCT CR 17 · Structure no. 000000000015472

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
51 ft
2 main spans
Daily traffic
120
2018 count
Owner
County
County Highway Agency

About this bridge

Murphy Rd. over S Fk Ouachita River is a concrete slab carrying Murphy Rd. over S Fk Ouachita River in Montgomery County, Arkansas. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, roughly 1% of them trucks, projected to reach 56 by 2007. The structure is 51 ft (15.5 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMurphy Rd.
CrossesS Fk Ouachita River
Location5.11 M W JCT CR 17
RouteCounty Highway 12
CountyMontgomery County
StateArkansas
Coordinates34.50991, -93.81839
Functional classRural Minor Collector

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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating28 US tons
Inventory rating17 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2018)
Projected traffic56 by 2007
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$31,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Murphy Rd. over S Fk Ouachita River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Murphy Rd. over S Fk 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 Murphy Rd. over S Fk Ouachita River carry?

About 120 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Murphy Rd. over S Fk Ouachita River?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 14 ft wide.

Who owns Murphy Rd. over S Fk Ouachita River?

It is owned by the County Highway Agency.