US Bridges

US 278 S-8 Lm 16.4 over Wadleigh Br.

Fair

Ouachita County, Arkansas · 1.53 MI W JCT US 79 · Structure no. 0000000000B3790

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
112 ft
4 main spans
Daily traffic
3,700
2018 count
Owner
State
State Highway Agency

About this bridge

US 278 S-8 Lm 16.4 over Wadleigh Br. is a concrete slab carrying US 278 S-8 Lm 16.4 over Wadleigh Br. in Ouachita County, Arkansas. It was built in 1965, so it is 60 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 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 3,700 vehicles a day, roughly 14% of them trucks, projected to reach 3,700 by 2038. The structure is 112 ft (34.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 278 S-8 Lm 16.4
CrossesWadleigh Br.
Location1.53 MI W JCT US 79
RouteU.S. Route 278
CountyOuachita County
StateArkansas
Coordinates33.5805, -92.85948
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span28 ft (8.5 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2018)
Projected traffic3,700 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US 278 S-8 Lm 16.4 over Wadleigh Br. built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 278 S-8 Lm 16.4 over Wadleigh Br. 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 July 2024.

How much traffic does US 278 S-8 Lm 16.4 over Wadleigh Br. carry?

About 3,700 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is US 278 S-8 Lm 16.4 over Wadleigh Br.?

The structure is 112 ft (34.1 m) long with a longest span of 28 ft (8.5 m) and a deck 44 ft wide.

Who owns US 278 S-8 Lm 16.4 over Wadleigh Br.?

It is owned by the State Highway Agency.