US Bridges

Harmony Rd. over Skull Creek

Fair

Payne County, Oklahoma · Harmony RD\68th ST .9S · Structure no. 010160000000000

Built
1920
105 years old, rebuilt 2011
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Harmony Rd. over Skull Creek is a steel stringer/multi-beam or girder carrying Harmony Rd. over Skull Creek in Payne County, Oklahoma. It was built in 1920 and reconstructed in 2011, so it is 105 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHarmony Rd.
CrossesSkull Creek
LocationHarmony RD\68th ST .9S
RouteCounty Highway N3520
CountyPayne County
StateOklahoma
Coordinates36.02983, -96.73206
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length62 ft (18.9 m)
Longest span58 ft (17.7 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 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 closed1.9 mi (3 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$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Harmony Rd. over Skull Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2011.

What condition is Harmony Rd. over Skull Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Harmony Rd. over Skull Creek carry?

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

How long is Harmony Rd. over Skull Creek?

The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns Harmony Rd. over Skull Creek?

It is owned by the County Highway Agency.