US Bridges

Interstate 540 SB over Flat Rock Creek-Crawford

Fair

Crawford County, Arkansas · 1.37 MI N Seb Co. Line · Structure no. 0000000000A3956

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
3 main spans
Daily traffic
26,000
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 540 SB over Flat Rock Creek-Crawford is a steel stringer/multi-beam or girder carrying Interstate 540 SB over Flat Rock Creek-Crawford in Crawford County, Arkansas. It was built in 1968, so it is 57 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 5 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 26,000 vehicles a day, roughly 1% of them trucks, projected to reach 28,453 by 2028. The structure is 122 ft (37.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 540 SB
CrossesFlat Rock Creek-Crawford
Location1.37 MI N Seb Co. Line
RouteInterstate 540
CountyCrawford County
StateArkansas
Coordinates35.43256, -94.32791
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2018)
Projected traffic28,453 by 2028
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 Interstate 540 SB over Flat Rock Creek-Crawford built?

It was built in 1968, making it 57 years old in 2025.

What condition is Interstate 540 SB over Flat Rock Creek-Crawford 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 November 2023.

How much traffic does Interstate 540 SB over Flat Rock Creek-Crawford carry?

About 26,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Interstate 540 SB over Flat Rock Creek-Crawford?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns Interstate 540 SB over Flat Rock Creek-Crawford?

It is owned by the State Highway Agency.