US Bridges

US 278 S10 Lm 2.67 over Locust Bayou

Poor

Calhoun County, Arkansas · 2.67 MI E of Ouachita CO · Structure no. 000000000002722

Built
1950
75 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
7 main spans
Daily traffic
2,200
2018 count
Owner
State
State Highway Agency

About this bridge

US 278 S10 Lm 2.67 over Locust Bayou is a steel stringer/multi-beam or girder carrying US 278 S10 Lm 2.67 over Locust Bayou in Calhoun County, Arkansas. It was built in 1950, so it is 75 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,200 vehicles a day, roughly 1% of them trucks, projected to reach 2,268 by 2028. The structure is 212 ft (64.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 278 S10 Lm 2.67
CrossesLocust Bayou
Location2.67 MI E of Ouachita CO
RouteU.S. Route 278
Coordinates33.55765, -92.67621
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length212 ft (64.6 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2018)
Projected traffic2,268 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$694,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 278 S10 Lm 2.67 over Locust Bayou built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 278 S10 Lm 2.67 over Locust Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does US 278 S10 Lm 2.67 over Locust Bayou carry?

About 2,200 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 278 S10 Lm 2.67 over Locust Bayou?

The structure is 212 ft (64.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns US 278 S10 Lm 2.67 over Locust Bayou?

It is owned by the State Highway Agency.