US Bridges

E0350 over Arkansas River

PoorPosted for load

Pawnee County, Oklahoma · 6.5W of Ralston · Structure no. 014170000000000

Built
1927
98 years old
Condition
Poor
inspected May 2024
Type
Truss - Thru
Steel
Length
2,219 ft
6 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

E0350 over Arkansas River is a steel truss - thru carrying E0350 over Arkansas River in Pawnee County, Oklahoma. It was built in 1927, so it is 98 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 15% of them trucks, projected to reach 320 by 2042. The structure is 2,219 ft (676.4 m) long and 19 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesE0350
CrossesArkansas River
Location6.5W of Ralston
RouteCounty Highway E0350
Coordinates36.50586, -96.84924
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating9.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans6 (+32 approach)
Design loadUnknown
Structure length2,219 ft (676.4 m)
Longest span210 ft (64 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck12 ft (3.7 m)

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was E0350 over Arkansas River built?

It was built in 1927, making it 98 years old in 2025.

What condition is E0350 over Arkansas River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does E0350 over Arkansas River carry?

About 200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0350 over Arkansas River?

The structure is 2,219 ft (676.4 m) long with a longest span of 210 ft (64 m) and a deck 19 ft wide.

Who owns E0350 over Arkansas River?

It is owned by the County Highway Agency.