US Bridges

SH 178 Marion over Crane Creek

Fair

Marion County, Arkansas · 1.88 Miles North of JCT U · Structure no. 0000000000M2223

Built
1947
78 years old, rebuilt 1988
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
5,600
2018 count
Owner
State
State Highway Agency

About this bridge

SH 178 Marion over Crane Creek is a concrete continuous slab carrying SH 178 Marion over Crane Creek in Marion County, Arkansas. It was built in 1947 and reconstructed in 1988, so it is 78 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 5,600 vehicles a day, roughly 1% of them trucks, projected to reach 7,161 by 2028. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 178 Marion
CrossesCrane Creek
Location1.88 Miles North of JCT U
RouteState Highway 178
Coordinates36.2837, -92.6022
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span9 ft (2.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2018)
Projected traffic7,161 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$234,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 178 Marion over Crane Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1988.

What condition is SH 178 Marion over Crane Creek 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 September 2024.

How much traffic does SH 178 Marion over Crane Creek carry?

About 5,600 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 178 Marion over Crane Creek?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.8 m) and a deck 30 ft wide.

Who owns SH 178 Marion over Crane Creek?

It is owned by the State Highway Agency.