US Bridges

SH 170 - Wash Co. over So. Frk Farmington Brnch

Poor

Washington County, Arkansas · 4.56 NE JCT US 62 & 170 · Structure no. 0000000000M2203

Built
1923
102 years old
Condition
Poor
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
4,170
2018 count
Owner
State
State Highway Agency

About this bridge

SH 170 - Wash Co. over So. Frk Farmington Brnch is a concrete culvert carrying SH 170 - Wash Co. over So. Frk Farmington Brnch in Washington County, Arkansas. It was built in 1923, so it is 102 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 4,170 vehicles a day, roughly 1% of them trucks, projected to reach 1,083 by 2028. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 170 - Wash Co.
CrossesSo. Frk Farmington Brnch
Location4.56 NE JCT US 62 & 170
RouteState Highway 170
CountyWashington County
StateArkansas
Coordinates36.03023, -94.24037
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,170 (2018)
Projected traffic1,083 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 170 - Wash Co. over So. Frk Farmington Brnch built?

It was built in 1923, making it 102 years old in 2025.

What condition is SH 170 - Wash Co. over So. Frk Farmington Brnch 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 July 2023.

How much traffic does SH 170 - Wash Co. over So. Frk Farmington Brnch carry?

About 4,170 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 170 - Wash Co. over So. Frk Farmington Brnch?

The structure is 26 ft (8 m) long with a longest span of 13 ft (4 m).

Who owns SH 170 - Wash Co. over So. Frk Farmington Brnch?

It is owned by the State Highway Agency.