US Bridges

NW 30th St. over Deep Fork Creek

Fair

Oklahoma County, Oklahoma · 1/2 Blk E of Windsor Terr · Structure no. 191250000000000

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 30th St. over Deep Fork Creek is a concrete culvert carrying NW 30th St. over Deep Fork Creek in Oklahoma County, Oklahoma. It was built in 1976, so it is 49 years old, older than the Oklahoma average of 47.8 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 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 2,400 by 2042. The structure is 27 ft (8.2 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNW 30th St.
CrossesDeep Fork Creek
Location1/2 Blk E of Windsor Terr
RouteCity Street E1045
CountyOklahoma County
StateOklahoma
Coordinates35.50046, -97.60307
Functional classUrban Minor 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 inspectionSeptember 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
Deck geometry6: Equal to present minimum criteria
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
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.8 m)
Deck width38 ft (11.6 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic2,400 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 30th St. over Deep Fork Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is NW 30th St. over Deep Fork 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 September 2023.

How much traffic does NW 30th St. over Deep Fork Creek carry?

About 1,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NW 30th St. over Deep Fork Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.8 m) and a deck 38 ft wide.

Who owns NW 30th St. over Deep Fork Creek?

It is owned by the City or Municipal Highway Agency.