US Bridges

N2550 over Sand Creek

Good

Major County, Oklahoma · 1E .4S of US60/SH58 · Structure no. 273750000000000

Built
2003
22 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
75
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N2550 over Sand Creek is a steel stringer/multi-beam or girder carrying N2550 over Sand Creek in Major County, Oklahoma. It was built in 2003, so it is 22 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 40 ft (12.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2550
CrossesSand Creek
Location1E .4S of US60/SH58
RouteCounty Highway N2550
Coordinates36.26971, -98.46215
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span39 ft (12 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$484,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2550 over Sand Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is N2550 over Sand 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 February 2023.

How much traffic does N2550 over Sand Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2550 over Sand Creek?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (12 m) and a deck 29 ft wide.

Who owns N2550 over Sand Creek?

It is owned by the City or Municipal Highway Agency.