US Bridges

Flat Armadillo RD over Creek

Good

Cleveland County, Oklahoma · 0.3 E 72nd Ave SE · Structure no. 221920000000000

Built
1989
36 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Flat Armadillo RD over Creek is a concrete culvert carrying Flat Armadillo RD over Creek in Cleveland County, Oklahoma. It was built in 1989, so it is 36 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 32 ft (9.8 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFlat Armadillo RD
CrossesCreek
Location0.3 E 72nd Ave SE
RouteCounty Highway 1440C
Coordinates34.98588, -97.32998
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Flat Armadillo RD over Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Flat Armadillo RD over 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 November 2023.

How much traffic does Flat Armadillo RD over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Flat Armadillo RD over Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns Flat Armadillo RD over Creek?

It is owned by the County Highway Agency.