US Bridges

SH 23 Madison over Slow Tom CR

Fair

Madison County, Arkansas · .75 MI S of Witter · Structure no. 000000000002947

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
56 ft
2 main spans
Daily traffic
1,100
2018 count
Owner
State
State Highway Agency

About this bridge

SH 23 Madison over Slow Tom CR is a concrete slab carrying SH 23 Madison over Slow Tom CR in Madison County, Arkansas. It was built in 1955, so it is 70 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 1,100 vehicles a day, roughly 13% of them trucks, projected to reach 1,152 by 2028. The structure is 56 ft (17.1 m) long and 29 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSH 23 Madison
CrossesSlow Tom CR
Location.75 MI S of Witter
RouteState Highway 23
CountyMadison County
StateArkansas
Coordinates35.92825, -93.6833
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length56 ft (17.1 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,152 by 2028
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 SH 23 Madison over Slow Tom CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is SH 23 Madison over Slow Tom CR 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 2024.

How much traffic does SH 23 Madison over Slow Tom CR carry?

About 1,100 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is SH 23 Madison over Slow Tom CR?

The structure is 56 ft (17.1 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns SH 23 Madison over Slow Tom CR?

It is owned by the State Highway Agency.