US Bridges

N3240 over Lost Creek

FairPosted for load

Kay County, Oklahoma · 2.7W 2.7S of Peckham · Structure no. 072200000000000

Built
1939
86 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
2 main spans
Daily traffic
130
2022 count
Owner
County
County Highway Agency

About this bridge

N3240 over Lost Creek is a steel stringer/multi-beam or girder carrying N3240 over Lost Creek in Kay County, Oklahoma. It was built in 1939, so it is 86 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 15% of them trucks, projected to reach 208 by 2042. The structure is 51 ft (15.5 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3240
CrossesLost Creek
Location2.7W 2.7S of Peckham
RouteCounty Highway N3240
CountyKay County
StateOklahoma
Coordinates36.84541, -97.22869
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length51 ft (15.5 m)
Longest span25 ft (7.5 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2022)
Projected traffic208 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$354,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3240 over Lost Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is N3240 over Lost 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 January 2023.

How much traffic does N3240 over Lost Creek carry?

About 130 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3240 over Lost Creek?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.5 m) and a deck 23 ft wide.

Who owns N3240 over Lost Creek?

It is owned by the County Highway Agency.