US Bridges

SH 321LOG 0.51 over White Oak Branch Creek

Good

Lonoke County, Arkansas · .5 MI E US 67 · Structure no. 000000000006465

Built
1992
33 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
74 ft
3 main spans
Daily traffic
20,000
2018 count
Owner
State
State Highway Agency

About this bridge

SH 321LOG 0.51 over White Oak Branch Creek is a concrete stringer/multi-beam or girder carrying SH 321LOG 0.51 over White Oak Branch Creek in Lonoke County, Arkansas. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,000 vehicles a day, roughly 1% of them trucks, projected to reach 24,859 by 2028. The structure is 74 ft (22.6 m) long and 74 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 321LOG 0.51
CrossesWhite Oak Branch Creek
Location.5 MI E US 67
RouteState Highway 321
Coordinates34.94315, -92.05575
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span25 ft (7.6 m)
Deck width74 ft (22.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2018)
Projected traffic24,859 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 321LOG 0.51 over White Oak Branch Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is SH 321LOG 0.51 over White Oak Branch Creek 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 October 2023.

How much traffic does SH 321LOG 0.51 over White Oak Branch Creek carry?

About 20,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 321LOG 0.51 over White Oak Branch Creek?

The structure is 74 ft (22.6 m) long with a longest span of 25 ft (7.6 m) and a deck 74 ft wide.

Who owns SH 321LOG 0.51 over White Oak Branch Creek?

It is owned by the State Highway Agency.