US Bridges

D0030 over Turkey Creek

PoorPosted for load

Osage County, Oklahoma · 5.0 MI NE of Boulanger · Structure no. 093670000000000

Built
1940
85 years old
Condition
Poor
inspected August 2023
Type
Truss - Thru
Steel
Length
82 ft
1 main span
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

D0030 over Turkey Creek is a steel truss - thru carrying D0030 over Turkey Creek in Osage County, Oklahoma. It was built in 1940, so it is 85 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 112 by 2042. The structure is 82 ft (25 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesD0030
CrossesTurkey Creek
Location5.0 MI NE of Boulanger
RouteCounty Highway D0003
Coordinates36.96934, -96.15094
Functional classRural Local

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33 US tons
Inventory rating19 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic112 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$226,000
NavigationNo navigation control on waterway

Frequently asked questions

When was D0030 over Turkey Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is D0030 over Turkey 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 August 2023.

How much traffic does D0030 over Turkey Creek carry?

About 70 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is D0030 over Turkey Creek?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 16 ft wide.

Who owns D0030 over Turkey Creek?

It is owned by the County Highway Agency.