US Bridges

N3744 (old S.H. 99 over Soldier Creek

Fair

Osage County, Oklahoma · 1.5N.W of 99 & 60 · Structure no. 082290000000000

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
37 ft
1 main span
Daily traffic
1,150
2022 count
Owner
County
County Highway Agency

About this bridge

N3744 (old S.H. 99 over Soldier Creek is a concrete stringer/multi-beam or girder carrying N3744 (old S.H. 99 over Soldier Creek in Osage County, Oklahoma. It was built in 1940, so it is 85 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.

It carries about 1,150 vehicles a day, roughly 10% of them trucks, projected to reach 1,840 by 2042. The structure is 37 ft (11.3 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesN3744 (old S.H. 99
CrossesSoldier Creek
Location1.5N.W of 99 & 60
RouteCounty Highway N3744
Coordinates36.68906, -96.32516
Functional classRural Local

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2022)
Projected traffic1,840 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$298,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3744 (old S.H. 99 over Soldier Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is N3744 (old S.H. 99 over Soldier 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 April 2024.

How much traffic does N3744 (old S.H. 99 over Soldier Creek carry?

About 1,150 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3744 (old S.H. 99 over Soldier Creek?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.

Who owns N3744 (old S.H. 99 over Soldier Creek?

It is owned by the County Highway Agency.