US Bridges

SH 31 White County over Mill Branch

Fair

White County, Arkansas · 0.6 MI N JCT SH 305 & 31 · Structure no. 0000000000X0098

Built
1969
56 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,995
2018 count
Owner
State
State Highway Agency

About this bridge

SH 31 White County over Mill Branch is a concrete culvert carrying SH 31 White County over Mill Branch in White County, Arkansas. It was built in 1969, so it is 56 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 1,995 vehicles a day, roughly 1% of them trucks, projected to reach 1,897 by 2028. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSH 31 White County
CrossesMill Branch
Location0.6 MI N JCT SH 305 & 31
RouteState Highway 31
Coordinates35.20056, -91.9692
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,995 (2018)
Projected traffic1,897 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 31 White County over Mill Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is SH 31 White County over Mill Branch 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 May 2024.

How much traffic does SH 31 White County over Mill Branch carry?

About 1,995 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 31 White County over Mill Branch?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m).

Who owns SH 31 White County over Mill Branch?

It is owned by the State Highway Agency.