US Bridges

N4711 over Peavine Creek

PoorPosted for load

Adair County, Oklahoma · 2.7E .2S of SH 51 · Structure no. 203910000000000

Built
1983
42 years old
Condition
Poor
inspected June 2024
Type
Culvert
Steel
Length
39 ft
6 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

N4711 over Peavine Creek is a steel culvert carrying N4711 over Peavine Creek in Adair County, Oklahoma. It was built in 1983, so it is 42 years old, younger than the Oklahoma average of 47.8 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2042. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesN4711
CrossesPeavine Creek
Location2.7E .2S of SH 51
RouteCounty Highway N4711
CountyAdair County
StateOklahoma
Coordinates35.86806, -94.63028
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating19.8 US tons
Inventory rating11.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span4 ft (1.2 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4711 over Peavine Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is N4711 over Peavine 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 June 2024.

How much traffic does N4711 over Peavine Creek carry?

About 150 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4711 over Peavine Creek?

The structure is 39 ft (11.9 m) long with a longest span of 4 ft (1.2 m) and a deck 26 ft wide.

Who owns N4711 over Peavine Creek?

It is owned by the County Highway Agency.