US Bridges

N2837 (6 St) over Tony Hollow Creek

Fair

Grady County, Oklahoma · On 6th .2S of Frisco Ave · Structure no. 072770000000000

Built
1939
86 years old
Condition
Fair
inspected February 2023
Type
Arch - Thru
Concrete
Length
85 ft
3 main spans
Daily traffic
3,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N2837 (6 St) over Tony Hollow Creek is a concrete arch - thru carrying N2837 (6 St) over Tony Hollow Creek in Grady County, Oklahoma. It was built in 1939, so it is 86 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 4,800 by 2042. The structure is 85 ft (25.9 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN2837 (6 St)
CrossesTony Hollow Creek
LocationOn 6th .2S of Frisco Ave
RouteCity Street N2837
Coordinates35.05589, -97.93974
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span43 ft (13.1 m)
Deck width34 ft (10.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic4,800 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$466,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2837 (6 St) over Tony Hollow Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is N2837 (6 St) over Tony 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 February 2023.

How much traffic does N2837 (6 St) over Tony Hollow Creek carry?

About 3,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N2837 (6 St) over Tony Hollow Creek?

The structure is 85 ft (25.9 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.

Who owns N2837 (6 St) over Tony Hollow Creek?

It is owned by the City or Municipal Highway Agency.