US Bridges

2678C over Winter Creek

PoorPosted for load

Grady County, Oklahoma · 1.2 E 5 N of Alex · Structure no. 110960000000000

Built
1949
76 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
122 ft
3 main spans
Daily traffic
714
2022 count
Owner
County
County Highway Agency

About this bridge

2678C over Winter Creek is a concrete stringer/multi-beam or girder carrying 2678C over Winter Creek in Grady County, Oklahoma. It was built in 1949, so it is 76 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 714 vehicles a day, roughly 15% of them trucks, projected to reach 1,142 by 2042. The structure is 122 ft (37.1 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries2678C
CrossesWinter Creek
Location1.2 E 5 N of Alex
RouteCounty Highway 2678C
Coordinates34.99519, -97.75888
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length122 ft (37.1 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic714 (2022)
Projected traffic1,142 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$565,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 2678C over Winter Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is 2678C over Winter Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does 2678C over Winter Creek carry?

About 714 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 2678C over Winter Creek?

The structure is 122 ft (37.1 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns 2678C over Winter Creek?

It is owned by the County Highway Agency.