US Bridges

NW 71st St. over Creek

Poor

Oklahoma County, Oklahoma · E of Robinson · Structure no. 158840000000000

Built
1964
61 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 71st St. over Creek is a concrete culvert carrying NW 71st St. over Creek in Oklahoma County, Oklahoma. It was built in 1964, so it is 61 years old, older 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.

It carries about 300 vehicles a day, roughly 5% of them trucks, projected to reach 480 by 2042. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW 71st St.
CrossesCreek
LocationE of Robinson
RouteCity Street E1015
Coordinates35.54408, -97.51507
Functional classUrban 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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 NW 71st St. over Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is NW 71st St. over 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 August 2024.

How much traffic does NW 71st St. over Creek carry?

About 300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NW 71st St. over Creek?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns NW 71st St. over Creek?

It is owned by the City or Municipal Highway Agency.