US Bridges

E1850 Harmony RD over Rock Creek

Good

Atoka County, Oklahoma · 2.3E .9S of Bruno · Structure no. 245310000000000

Built
1995
30 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E1850 Harmony RD over Rock Creek is a concrete culvert carrying E1850 Harmony RD over Rock Creek in Atoka County, Oklahoma. It was built in 1995, so it is 30 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 10% of them trucks, projected to reach 160 by 2042. The structure is 47 ft (14.3 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE1850 Harmony RD
CrossesRock Creek
Location2.3E .9S of Bruno
RouteCounty Highway E1850
Coordinates34.33095, -96.1823
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span17 ft (5.2 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
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1850 Harmony RD over Rock Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is E1850 Harmony RD over Rock 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 January 2024.

How much traffic does E1850 Harmony RD over Rock Creek carry?

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

How long is E1850 Harmony RD over Rock Creek?

The structure is 47 ft (14.3 m) long with a longest span of 17 ft (5.2 m) and a deck 42 ft wide.

Who owns E1850 Harmony RD over Rock Creek?

It is owned by the County Highway Agency.