US Bridges

2648C over Rock Hollow Creek

Fair

Grady County, Oklahoma · 2.2S of US62;6.3W of US81 · Structure no. 177810000000000

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
63 ft
3 main spans
Daily traffic
718
2022 count
Owner
County
County Highway Agency

About this bridge

2648C over Rock Hollow Creek is a concrete culvert carrying 2648C over Rock Hollow Creek in Grady County, Oklahoma. It was built in 1970, so it is 55 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 5 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 718 vehicles a day, roughly 15% of them trucks, projected to reach 1,149 by 2042. The structure is 63 ft (19.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries2648C
CrossesRock Hollow Creek
Location2.2S of US62;6.3W of US81
RouteCounty Highway 2648C
CountyGrady County
StateOklahoma
Coordinates35.05574, -98.07548
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span17 ft (5.2 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic718 (2022)
Projected traffic1,149 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 2648C over Rock Hollow Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is 2648C over Rock Hollow 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 October 2024.

How much traffic does 2648C over Rock Hollow Creek carry?

About 718 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 2648C over Rock Hollow Creek?

The structure is 63 ft (19.1 m) long with a longest span of 17 ft (5.2 m) and a deck 31 ft wide.

Who owns 2648C over Rock Hollow Creek?

It is owned by the County Highway Agency.