US Bridges

SH 166-01- Lm 3.30 over Fourche River

PoorPosted for load

Randolph County, Arkansas · 3.3 MI NE JCT US 67 · Structure no. 0000000000M2165

Built
1942
83 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
157 ft
1 main span
Daily traffic
180
2018 count
Owner
State
State Highway Agency

About this bridge

SH 166-01- Lm 3.30 over Fourche River is a steel truss - thru carrying SH 166-01- Lm 3.30 over Fourche River in Randolph County, Arkansas. It was built in 1942, so it is 83 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 3 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. Its operating status is: posted for load restriction.

It carries about 180 vehicles a day, roughly 1% of them trucks, projected to reach 240 by 2028. The structure is 157 ft (47.9 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 166-01- Lm 3.30
CrossesFourche River
Location3.3 MI NE JCT US 67
RouteState Highway 166
CountyRandolph County
StateArkansas
Coordinates36.31847, -90.91429
Functional classRural Minor 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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length157 ft (47.9 m)
Longest span92 ft (27.9 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2018)
Projected traffic240 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$403,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 166-01- Lm 3.30 over Fourche River built?

It was built in 1942, making it 83 years old in 2025.

What condition is SH 166-01- Lm 3.30 over Fourche River 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 March 2024.

How much traffic does SH 166-01- Lm 3.30 over Fourche River carry?

About 180 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 166-01- Lm 3.30 over Fourche River?

The structure is 157 ft (47.9 m) long with a longest span of 92 ft (27.9 m) and a deck 21 ft wide.

Who owns SH 166-01- Lm 3.30 over Fourche River?

It is owned by the State Highway Agency.