US Bridges

5450C over Deep Fork River

PoorPosted for load

Okfuskee County, Oklahoma · 2.N 2.3W Okfuskee · Structure no. 042360000000000

Built
1934
91 years old
Condition
Poor
inspected July 2023
Type
Truss - Thru
Steel
Length
374 ft
1 main span
Daily traffic
160
2022 count
Owner
County
County Highway Agency

About this bridge

5450C over Deep Fork River is a steel truss - thru carrying 5450C over Deep Fork River in Okfuskee County, Oklahoma. It was built in 1934, so it is 91 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 160 vehicles a day, roughly 15% of them trucks, projected to reach 256 by 2042. The structure is 374 ft (114 m) long and 23 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Carries5450C
CrossesDeep Fork River
Location2.N 2.3W Okfuskee
RouteCounty Highway 5450C
Coordinates35.62407, -96.2682
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.3 US tons
Inventory rating12.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+9 approach)
Design loadUnknown
Structure length374 ft (114 m)
Longest span100 ft (30.5 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2022)
Projected traffic256 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was 5450C over Deep Fork River built?

It was built in 1934, making it 91 years old in 2025.

What condition is 5450C over Deep Fork 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 July 2023.

How much traffic does 5450C over Deep Fork River carry?

About 160 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 5450C over Deep Fork River?

The structure is 374 ft (114 m) long with a longest span of 100 ft (30.5 m) and a deck 23 ft wide.

Who owns 5450C over Deep Fork River?

It is owned by the County Highway Agency.