US Bridges

S.H. 18 over Lost Man Creek

Good

Osage County, Oklahoma · 1.6 Mi. N of U.S. 60 · Structure no. 298490000000000

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
660
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 18 over Lost Man Creek is a concrete culvert carrying S.H. 18 over Lost Man Creek in Osage County, Oklahoma. It was built in 2013, so it is 12 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 660 vehicles a day, roughly 15% of them trucks, projected to reach 1,056 by 2042. The structure is 32 ft (9.8 m) long.

CarriesS.H. 18
CrossesLost Man Creek
Location1.6 Mi. N of U.S. 60
RouteState Highway 18
Coordinates36.70818, -96.67657
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.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2022)
Projected traffic1,056 by 2042
Trucks15%
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 S.H. 18 over Lost Man Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is S.H. 18 over Lost Man 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 August 2023.

How much traffic does S.H. 18 over Lost Man Creek carry?

About 660 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 18 over Lost Man Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 18 over Lost Man Creek?

It is owned by the State Highway Agency.