US Bridges

SH 13 Log 9.90 over Buffalo Ditch

Good

Lonoke County, Arkansas · 1 MI N of Jct. SH 232 · Structure no. 000000000006852

Built
2003
22 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
180 ft
6 main spans
Daily traffic
667
2018 count
Owner
State
State Highway Agency

About this bridge

SH 13 Log 9.90 over Buffalo Ditch is a concrete slab carrying SH 13 Log 9.90 over Buffalo Ditch in Lonoke County, Arkansas. It was built in 2003, so it is 22 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 667 vehicles a day, roughly 14% of them trucks, projected to reach 800 by 2038. The structure is 180 ft (54.9 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSH 13 Log 9.90
CrossesBuffalo Ditch
Location1 MI N of Jct. SH 232
RouteState Highway 13
CountyLonoke County
StateArkansas
Coordinates34.61743, -91.75575
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic667 (2018)
Projected traffic800 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 13 Log 9.90 over Buffalo Ditch built?

It was built in 2003, making it 22 years old in 2025.

What condition is SH 13 Log 9.90 over Buffalo 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 June 2023.

How much traffic does SH 13 Log 9.90 over Buffalo Ditch carry?

About 667 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is SH 13 Log 9.90 over Buffalo Ditch?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns SH 13 Log 9.90 over Buffalo Ditch?

It is owned by the State Highway Agency.