US Bridges

N2710 over Armstrong Creek

Good

Comanche County, Oklahoma · 3E 1.7N of S.H. 7/S.H. 65 · Structure no. 287620000000000

Built
2006
19 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
168
2022 count
Owner
County
County Highway Agency

About this bridge

N2710 over Armstrong Creek is a prestressed concrete stringer/multi-beam or girder carrying N2710 over Armstrong Creek in Comanche County, Oklahoma. It was built in 2006, so it is 19 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 168 vehicles a day, roughly 15% of them trucks, projected to reach 269 by 2042. The structure is 108 ft (32.9 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN2710
CrossesArmstrong Creek
Location3E 1.7N of S.H. 7/S.H. 65
RouteCounty Highway N2710
Coordinates34.61882, -98.15959
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span108 ft (32.9 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2022)
Projected traffic269 by 2042
Trucks15%
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$638,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2710 over Armstrong Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is N2710 over Armstrong Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does N2710 over Armstrong Creek carry?

About 168 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2710 over Armstrong Creek?

The structure is 108 ft (32.9 m) long with a longest span of 108 ft (32.9 m) and a deck 29 ft wide.

Who owns N2710 over Armstrong Creek?

It is owned by the County Highway Agency.