US Bridges

Union Rd. (N3390) over Headquarters Creek

Fair

Payne County, Oklahoma · Union RD & 140th ST .8S · Structure no. 252790000000000

Built
1997
28 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Union Rd. (N3390) over Headquarters Creek is a steel stringer/multi-beam or girder carrying Union Rd. (N3390) over Headquarters Creek in Payne County, Oklahoma. It was built in 1997, so it is 28 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 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 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 84 ft (25.6 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUnion Rd. (N3390)
CrossesHeadquarters Creek
LocationUnion RD & 140th ST .8S
RouteCounty Highway 6050C
CountyPayne County
StateOklahoma
Coordinates35.94494, -96.96277
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.9 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span83 ft (25.3 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks15%
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

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$463,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Union Rd. (N3390) over Headquarters Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Union Rd. (N3390) over Headquarters 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 July 2023.

How much traffic does Union Rd. (N3390) over Headquarters Creek carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Union Rd. (N3390) over Headquarters Creek?

The structure is 84 ft (25.6 m) long with a longest span of 83 ft (25.3 m) and a deck 23 ft wide.

Who owns Union Rd. (N3390) over Headquarters Creek?

It is owned by the County Highway Agency.