US Bridges

US 63 Sec 4 LM8.68 over Cache River Slough

Good

Lawrence County, Arkansas · 09.14 MI SE JCT US 67& 63 · Structure no. 000000000006980

Built
2006
19 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
108 ft
3 main spans
Daily traffic
12,000
2018 count
Owner
State
State Highway Agency

About this bridge

US 63 Sec 4 LM8.68 over Cache River Slough is a steel continuous stringer/multi-beam or girder carrying US 63 Sec 4 LM8.68 over Cache River Slough in Lawrence County, Arkansas. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,000 vehicles a day, roughly 14% of them trucks, projected to reach 13,745 by 2028. The structure is 108 ft (32.8 m) long and 78 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 63 Sec 4 LM8.68
CrossesCache River Slough
Location09.14 MI SE JCT US 67& 63
RouteU.S. Route 63
Coordinates35.97343, -90.85539
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
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
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 spans3
Design loadHS 20
Structure length108 ft (32.8 m)
Longest span39 ft (11.9 m)
Deck width78 ft (23.8 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2018)
Projected traffic13,745 by 2028
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 63 Sec 4 LM8.68 over Cache River Slough built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 63 Sec 4 LM8.68 over Cache River 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 63 Sec 4 LM8.68 over Cache River Slough carry?

About 12,000 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is US 63 Sec 4 LM8.68 over Cache River Slough?

The structure is 108 ft (32.8 m) long with a longest span of 39 ft (11.9 m) and a deck 78 ft wide.

Who owns US 63 Sec 4 LM8.68 over Cache River Slough?

It is owned by the State Highway Agency.