US Bridges

5608C over Adams Creek

PoorPosted for load

Okmulgee County, Oklahoma · 2.7NE of SH 16 · Structure no. 012110000000000

Built
1921
104 years old
Condition
Poor
inspected January 2024
Type
Truss - Thru
Steel
Length
76 ft
1 main span
Daily traffic
800
2022 count
Owner
County
County Highway Agency

About this bridge

5608C over Adams Creek is a steel truss - thru carrying 5608C over Adams Creek in Okmulgee County, Oklahoma. It was built in 1921, so it is 104 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 76 ft (23.2 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries5608C
CrossesAdams Creek
Location2.7NE of SH 16
RouteCounty Highway 5608C
Coordinates35.7117, -96.05051
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
Deck4 PoorAdvanced section loss, deterioration, 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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.3 US tons
Inventory rating21.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length76 ft (23.2 m)
Longest span75 ft (22.9 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 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
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$439,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5608C over Adams Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is 5608C over Adams Creek 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 January 2024.

How much traffic does 5608C over Adams Creek carry?

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

How long is 5608C over Adams Creek?

The structure is 76 ft (23.2 m) long with a longest span of 75 ft (22.9 m) and a deck 18 ft wide.

Who owns 5608C over Adams Creek?

It is owned by the County Highway Agency.