US Bridges

NW 23rd St. over Shell Creek

Fair

Canadian County, Oklahoma · 0.8 MI E of Cimarron RD · Structure no. 251720000000000

Built
1998
27 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
25
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 23rd St. over Shell Creek is a steel stringer/multi-beam or girder carrying NW 23rd St. over Shell Creek in Canadian County, Oklahoma. It was built in 1998, so it is 27 years old, younger 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 25 vehicles a day, roughly 16% of them trucks, projected to reach 40 by 2042. The structure is 51 ft (15.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW 23rd St.
CrossesShell Creek
Location0.8 MI E of Cimarron RD
RouteCity Street E1050
Coordinates35.49338, -97.79852
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.6 m)
Longest span49 ft (15 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$358,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 23rd St. over Shell Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is NW 23rd St. over Shell 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 2024.

How much traffic does NW 23rd St. over Shell Creek carry?

About 25 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is NW 23rd St. over Shell Creek?

The structure is 51 ft (15.6 m) long with a longest span of 49 ft (15 m) and a deck 26 ft wide.

Who owns NW 23rd St. over Shell Creek?

It is owned by the City or Municipal Highway Agency.