US Bridges

Harper Road over Fourche Bayou

Good

Pulaski County, Arkansas · 0.1 MI E SH 365 · Structure no. 000000000023331

Built
2009
16 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
180
2018 count
Owner
County
County Highway Agency

About this bridge

Harper Road over Fourche Bayou is a concrete culvert carrying Harper Road over Fourche Bayou in Pulaski County, Arkansas. It was built in 2009, so it is 16 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 180 vehicles a day, roughly 31% of them trucks, projected to reach 200 by 2038. The structure is 24 ft (7.3 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHarper Road
CrossesFourche Bayou
Location0.1 MI E SH 365
RouteCounty Highway 285
Coordinates34.68637, -92.23576
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width37 ft (11.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2018)
Projected traffic200 by 2038
Trucks31%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harper Road over Fourche Bayou built?

It was built in 2009, making it 16 years old in 2025.

What condition is Harper Road over Fourche Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Harper Road over Fourche Bayou carry?

About 180 vehicles per day (2018 count), of which roughly 31% are trucks.

How long is Harper Road over Fourche Bayou?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.

Who owns Harper Road over Fourche Bayou?

It is owned by the County Highway Agency.