US Bridges

US 71 over Lyn Creek

Fair

Polk County, Arkansas · 1.74 MI N of SH 88 · Structure no. 0000000000M1358

Built
1953
72 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
7,900
2018 count
Owner
State
State Highway Agency

About this bridge

US 71 over Lyn Creek is a concrete culvert carrying US 71 over Lyn Creek in Polk County, Arkansas. It was built in 1953, so it is 72 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 7,900 vehicles a day, roughly 1% of them trucks, projected to reach 9,592 by 2028. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 71
CrossesLyn Creek
Location1.74 MI N of SH 88
RouteU.S. Route 71
Coordinates34.58706, -94.20606
Functional classUrban Other Principal Arterial

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2018)
Projected traffic9,592 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 71 over Lyn Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is US 71 over Lyn 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 June 2023.

How much traffic does US 71 over Lyn Creek carry?

About 7,900 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 71 over Lyn Creek?

The structure is 21 ft (6.4 m) long with a longest span of 11 ft (3.4 m).

Who owns US 71 over Lyn Creek?

It is owned by the State Highway Agency.