US Bridges

N2720 over Creek

Poor

Comanche County, Oklahoma · 2.6S&2W of JCT SH65&17 · Structure no. 188870000000000

Built
1975
50 years old, rebuilt 2009
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
34 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N2720 over Creek is a steel continuous stringer/multi-beam or girder carrying N2720 over Creek in Comanche County, Oklahoma. It was built in 1975 and reconstructed in 2009, so it is 50 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 0 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: open, temporary structure in place while original is closed.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN2720
CrossesCreek
Location2.6S&2W of JCT SH65&17
RouteCounty Highway N2720
Coordinates34.71237, -98.14179
Functional classRural Local

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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadH 10
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$285,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2720 over Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2009.

What condition is N2720 over 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 August 2023.

How much traffic does N2720 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2720 over Creek?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 20 ft wide.

Who owns N2720 over Creek?

It is owned by the County Highway Agency.