US Bridges

US 412 over Overcup Slough

Good

Greene County, Arkansas · 5.42 MI East Cache River · Structure no. 0000000000X1595

Built
2020
5 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
4,500
2019 count
Owner
State
State Highway Agency

About this bridge

US 412 over Overcup Slough is a concrete culvert carrying US 412 over Overcup Slough in Greene County, Arkansas. It was built in 2020, so it is 5 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,500 vehicles a day, roughly 24% of them trucks, projected to reach 5,400 by 2040. The structure is 45 ft (13.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 412
CrossesOvercup Slough
Location5.42 MI East Cache River
RouteU.S. Route 412
Coordinates36.06866, -90.72776
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length45 ft (13.6 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2019)
Projected traffic5,400 by 2040
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 over Overcup Slough built?

It was built in 2020, making it 5 years old in 2025.

What condition is US 412 over Overcup Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does US 412 over Overcup Slough carry?

About 4,500 vehicles per day (2019 count), of which roughly 24% are trucks.

How long is US 412 over Overcup Slough?

The structure is 45 ft (13.6 m) long with a longest span of 10 ft (2.9 m).

Who owns US 412 over Overcup Slough?

It is owned by the State Highway Agency.