US Bridges

Northfield RD over Beef Creek

Good

Comanche County, Oklahoma · Fort Sill Army Post · Structure no. DAPTRASILBCCTAB

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
70
2024 count
Owner
Federal
Army

About this bridge

Northfield RD over Beef Creek is a concrete culvert carrying Northfield RD over Beef Creek in Comanche County, Oklahoma. It was built in 2013, so it is 12 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2046. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNorthfield RD
CrossesBeef Creek
LocationFort Sill Army Post
Coordinates34.68198, -98.37321
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2024)
Projected traffic70 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Northfield RD over Beef Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Northfield RD over Beef 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 July 2024.

How much traffic does Northfield RD over Beef Creek carry?

About 70 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Northfield RD over Beef Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Northfield RD over Beef Creek?

It is owned by the Army.