US Bridges

SH 23-FRANKLIN Co. over Duncan Branch

Fair

Franklin County, Arkansas · 0.1 MI N of SH 352 · Structure no. 000000000002738

Built
1951
74 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
1,732
2018 count
Owner
State
State Highway Agency

About this bridge

SH 23-FRANKLIN Co. over Duncan Branch is a concrete continuous slab carrying SH 23-FRANKLIN Co. over Duncan Branch in Franklin County, Arkansas. It was built in 1951, so it is 74 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 1,732 vehicles a day, roughly 1% of them trucks, projected to reach 2,542 by 2028. The structure is 66 ft (20.1 m) long and 27 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesSH 23-FRANKLIN Co.
CrossesDuncan Branch
Location0.1 MI N of SH 352
RouteState Highway 23
Coordinates35.54674, -93.85925
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length66 ft (20.1 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,732 (2018)
Projected traffic2,542 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$382,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 23-FRANKLIN Co. over Duncan Branch built?

It was built in 1951, making it 74 years old in 2025.

What condition is SH 23-FRANKLIN Co. over Duncan Branch 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 September 2023.

How much traffic does SH 23-FRANKLIN Co. over Duncan Branch carry?

About 1,732 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 23-FRANKLIN Co. over Duncan Branch?

The structure is 66 ft (20.1 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns SH 23-FRANKLIN Co. over Duncan Branch?

It is owned by the State Highway Agency.