US Bridges

E1720 over Creek

Good

Stephens County, Oklahoma · 6.1W of US81 · Structure no. 327340000000000

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Culvert
Steel
Length
25 ft
3 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

E1720 over Creek is a steel culvert carrying E1720 over Creek in Stephens County, Oklahoma. It was built in 2020, so it is 5 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 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

CarriesE1720
CrossesCreek
Location6.1W of US81
RouteCounty Highway E1720
Coordinates34.52161, -97.86025
Functional classRural Local

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.2 US tons
Inventory rating25.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 10
Structure length25 ft (7.6 m)
Longest span7 ft (2.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E1720 over Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is E1720 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 June 2024.

How much traffic does E1720 over Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1720 over Creek?

The structure is 25 ft (7.6 m) long with a longest span of 7 ft (2.1 m) and a deck 20 ft wide.

Who owns E1720 over Creek?

It is owned by the County Highway Agency.