US Bridges

5608C over R.R. under

PoorPosted for load

Okmulgee County, Oklahoma · 0.1 W US75 at Preston · Structure no. 132180000000000

Built
1954
71 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
3 main spans
Daily traffic
800
2022 count
Owner
County
County Highway Agency

About this bridge

5608C over R.R. under is a steel stringer/multi-beam or girder carrying 5608C over R.R. under in Okmulgee County, Oklahoma. It was built in 1954, so it is 71 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 800 vehicles a day, roughly 15% of them trucks, projected to reach 1,280 by 2042. The structure is 174 ft (53 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries5608C
CrossesR.R. under
Location0.1 W US75 at Preston
RouteCounty Highway 5608C
CountyOkmulgee County
StateOklahoma
Coordinates35.71164, -95.99024
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length174 ft (53 m)
Longest span60 ft (18.3 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic1,280 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$432,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 5608C over R.R. under built?

It was built in 1954, making it 71 years old in 2025.

What condition is 5608C over R.R. under 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 September 2023.

How much traffic does 5608C over R.R. under carry?

About 800 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 5608C over R.R. under?

The structure is 174 ft (53 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.

Who owns 5608C over R.R. under?

It is owned by the County Highway Agency.