US Bridges

4166C over Dry Creek

PoorPosted for load

Lincoln County, Oklahoma · 2.2N of Davenport · Structure no. 014050000000000

Built
1924
101 years old
Condition
Poor
inspected January 2024
Type
Truss - Thru
Steel
Length
125 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

4166C over Dry Creek is a steel truss - thru carrying 4166C over Dry Creek in Lincoln County, Oklahoma. It was built in 1924, so it is 101 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 3 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 75 vehicles a day, roughly 15% of them trucks, projected to reach 120 by 2042. The structure is 125 ft (38.1 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries4166C
CrossesDry Creek
Location2.2N of Davenport
RouteCounty Highway 4166C
Coordinates35.73808, -96.76496
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length125 ft (38.1 m)
Longest span125 ft (38.1 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks15%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$572,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4166C over Dry Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is 4166C over Dry 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 January 2024.

How much traffic does 4166C over Dry Creek carry?

About 75 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4166C over Dry Creek?

The structure is 125 ft (38.1 m) long with a longest span of 125 ft (38.1 m) and a deck 24 ft wide.

Who owns 4166C over Dry Creek?

It is owned by the County Highway Agency.