US Bridges

US 412 Madison Co. over Kings River

Fair

Madison County, Arkansas · 1.7 MI W JCT SH 21 · Structure no. 000000000006788

Built
2001
24 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
422 ft
5 main spans
Daily traffic
6,400
2018 count
Owner
State
State Highway Agency

About this bridge

US 412 Madison Co. over Kings River is a steel continuous stringer/multi-beam or girder carrying US 412 Madison Co. over Kings River in Madison County, Arkansas. It was built in 2001, so it is 24 years old, younger 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 6,400 vehicles a day, roughly 14% of them trucks, projected to reach 6,356 by 2028. The structure is 422 ft (128.6 m) long and 43 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS 412 Madison Co.
CrossesKings River
Location1.7 MI W JCT SH 21
RouteU.S. Route 412
Coordinates36.13746, -93.58196
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length422 ft (128.6 m)
Longest span92 ft (28 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2018)
Projected traffic6,356 by 2028
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 412 Madison Co. over Kings River built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 412 Madison Co. over Kings 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 January 2024.

How much traffic does US 412 Madison Co. over Kings River carry?

About 6,400 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is US 412 Madison Co. over Kings River?

The structure is 422 ft (128.6 m) long with a longest span of 92 ft (28 m) and a deck 43 ft wide.

Who owns US 412 Madison Co. over Kings River?

It is owned by the State Highway Agency.