US Bridges

US 70-8 Log 4.77 over Ditch

Good

Garland County, Arkansas · 14.51 MI SW of SH 7 · Structure no. 0000000000M1311

Built
1928
97 years old, rebuilt 1974
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
6,800
2018 count
Owner
State
State Highway Agency

About this bridge

US 70-8 Log 4.77 over Ditch is a concrete culvert carrying US 70-8 Log 4.77 over Ditch in Garland County, Arkansas. It was built in 1928 and reconstructed in 1974, so it is 97 years old, older 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 6,800 vehicles a day, roughly 1% of them trucks, projected to reach 5,783 by 2028. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 70-8 Log 4.77
CrossesDitch
Location14.51 MI SW of SH 7
RouteU.S. Route 70
Coordinates34.43159, -93.27958
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2018)
Projected traffic5,783 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 US 70-8 Log 4.77 over Ditch built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1974.

What condition is US 70-8 Log 4.77 over Ditch 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 August 2023.

How much traffic does US 70-8 Log 4.77 over Ditch carry?

About 6,800 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 70-8 Log 4.77 over Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US 70-8 Log 4.77 over Ditch?

It is owned by the State Highway Agency.