US Bridges

U.S. 62B over Unnaned Creek

Good

Kiowa County, Oklahoma · 4 NE Tillman C/L · Structure no. 320290000000000

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
79 ft
2 main spans
Daily traffic
600
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 62B over Unnaned Creek is a concrete culvert carrying U.S. 62B over Unnaned Creek in Kiowa County, Oklahoma. It was built in 2023, so it is 2 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 18% of them trucks, projected to reach 900 by 2042. The structure is 79 ft (24 m) long and 72 ft wide.

CarriesU.S. 62B
CrossesUnnaned Creek
Location4 NE Tillman C/L
RouteU.S. Route 62B
Coordinates34.6525, -98.96528
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length79 ft (24 m)
Longest span39 ft (12 m)
Deck width72 ft (21.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic900 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 U.S. 62B over Unnaned Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is U.S. 62B over Unnaned Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does U.S. 62B over Unnaned Creek carry?

About 600 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is U.S. 62B over Unnaned Creek?

The structure is 79 ft (24 m) long with a longest span of 39 ft (12 m) and a deck 72 ft wide.

Who owns U.S. 62B over Unnaned Creek?

It is owned by the State Highway Agency.