US Bridges

SH 66/STONE County over Timbo Creek

Fair

Stone County, Arkansas · 5.66 MI NE Searcy CO Li · Structure no. 0000000000M1211

Built
1956
69 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
990
2018 count
Owner
State
State Highway Agency

About this bridge

SH 66/STONE County over Timbo Creek is a concrete culvert carrying SH 66/STONE County over Timbo Creek in Stone County, Arkansas. It was built in 1956, so it is 69 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 990 vehicles a day, roughly 10% of them trucks, projected to reach 1,458 by 2028. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesSH 66/STONE County
CrossesTimbo Creek
Location5.66 MI NE Searcy CO Li
RouteState Highway 66
CountyStone County
StateArkansas
Coordinates35.8739, -92.33707
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 inspectionMarch 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 alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length29 ft (8.8 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 traffic990 (2018)
Projected traffic1,458 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 66/STONE County over Timbo Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 66/STONE County over Timbo Creek 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 March 2024.

How much traffic does SH 66/STONE County over Timbo Creek carry?

About 990 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is SH 66/STONE County over Timbo Creek?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns SH 66/STONE County over Timbo Creek?

It is owned by the State Highway Agency.