US Bridges

SH 277-02 Lm 2.46 over Willow Slough

Fair

Desha County, Arkansas · 2.46 MI S SH 1-PEA Ridge · Structure no. 0000000000M2657

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
180
2018 count
Owner
State
State Highway Agency

About this bridge

SH 277-02 Lm 2.46 over Willow Slough is a concrete channel beam carrying SH 277-02 Lm 2.46 over Willow Slough in Desha County, Arkansas. It was built in 1964, so it is 61 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 180 vehicles a day, roughly 1% of them trucks, projected to reach 127 by 2028. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesSH 277-02 Lm 2.46
CrossesWillow Slough
Location2.46 MI S SH 1-PEA Ridge
RouteState Highway 277
CountyDesha County
StateArkansas
Coordinates33.88502, -91.33765
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2018)
Projected traffic127 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 SH 277-02 Lm 2.46 over Willow Slough built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 277-02 Lm 2.46 over Willow Slough 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 June 2024.

How much traffic does SH 277-02 Lm 2.46 over Willow Slough carry?

About 180 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 277-02 Lm 2.46 over Willow Slough?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns SH 277-02 Lm 2.46 over Willow Slough?

It is owned by the State Highway Agency.