US Bridges

SH 66/STONE County over Timbo Creek

Poor

Stone County, Arkansas · 0.4 MI W SH 263 · Structure no. 000000000002573

Built
1956
69 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
140 ft
5 main spans
Daily traffic
1,600
2018 count
Owner
State
State Highway Agency

About this bridge

SH 66/STONE County over Timbo Creek is a concrete slab 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,600 vehicles a day, roughly 1% of them trucks, projected to reach 1,988 by 2028. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesSH 66/STONE County
CrossesTimbo Creek
Location0.4 MI W SH 263
RouteState Highway 66
CountyStone County
StateArkansas
Coordinates35.87191, -92.32322
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length140 ft (42.7 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2018)
Projected traffic1,988 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

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

About 1,600 vehicles per day (2018 count), of which roughly 1% are trucks.

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

The structure is 140 ft (42.7 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns SH 66/STONE County over Timbo Creek?

It is owned by the State Highway Agency.