US Bridges

N2550 over Sand Creek

Fair

Major County, Oklahoma · 1E .1N of JCT SH58/US60 · Structure no. 319360000000000

Built
2018
7 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
88
2022 count
Owner
County
County Highway Agency

About this bridge

N2550 over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying N2550 over Sand Creek in Major County, Oklahoma. It was built in 2018, so it is 7 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 6 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 88 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2042. The structure is 150 ft (45.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN2550
CrossesSand Creek
Location1E .1N of JCT SH58/US60
RouteCounty Highway N2550
Coordinates36.26139, -98.46222
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic88 (2022)
Projected traffic140 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N2550 over Sand Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is N2550 over Sand 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 August 2024.

How much traffic does N2550 over Sand Creek carry?

About 88 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2550 over Sand Creek?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns N2550 over Sand Creek?

It is owned by the County Highway Agency.