US Bridges

N2920 (2674C) over East Bitter Creek

Good

Grady County, Oklahoma · 5E 3.3S of Amber · Structure no. 306890000000000

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N2920 (2674C) over East Bitter Creek is a prestressed concrete stringer/multi-beam or girder carrying N2920 (2674C) over East Bitter Creek in Grady County, Oklahoma. It was built in 2014, so it is 11 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 15% of them trucks, projected to reach 160 by 2042. The structure is 135 ft (41.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2920 (2674C)
CrossesEast Bitter Creek
Location5E 3.3S of Amber
RouteCounty Highway N2920
Coordinates35.11389, -97.79389
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length135 ft (41.1 m)
Longest span135 ft (41.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N2920 (2674C) over East Bitter Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is N2920 (2674C) over East Bitter 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 October 2024.

How much traffic does N2920 (2674C) over East Bitter Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2920 (2674C) over East Bitter Creek?

The structure is 135 ft (41.1 m) long with a longest span of 135 ft (41.1 m) and a deck 28 ft wide.

Who owns N2920 (2674C) over East Bitter Creek?

It is owned by the County Highway Agency.