US Bridges

IRR N2050 over Washita River

Good

Custer County, Oklahoma · 1.8 N 8.9 W Butler · Structure no. 257640000000000

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
147 ft
3 main spans
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

IRR N2050 over Washita River is a prestressed concrete stringer/multi-beam or girder carrying IRR N2050 over Washita River in Custer County, Oklahoma. It was built in 1998, so it is 27 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2042. The structure is 147 ft (44.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR N2050
CrossesWashita River
Location1.8 N 8.9 W Butler
RouteCounty Highway N2050
Coordinates35.66389, -99.34142
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span63 ft (19.2 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic200 by 2042
Trucks10%
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$666,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR N2050 over Washita River built?

It was built in 1998, making it 27 years old in 2025.

What condition is IRR N2050 over Washita River 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 October 2024.

How much traffic does IRR N2050 over Washita River carry?

About 125 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR N2050 over Washita River?

The structure is 147 ft (44.8 m) long with a longest span of 63 ft (19.2 m) and a deck 28 ft wide.

Who owns IRR N2050 over Washita River?

It is owned by the County Highway Agency.