US Bridges

D1670 over Creek

FairPosted for load

Pontotoc County, Oklahoma · 1 S & 1.6 W of Fittstown · Structure no. 086390000000000

Built
1940
85 years old, rebuilt 1997
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

D1670 over Creek is a steel stringer/multi-beam or girder carrying D1670 over Creek in Pontotoc County, Oklahoma. It was built in 1940 and reconstructed in 1997, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 29 ft (8.7 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesD1670
CrossesCreek
Location1 S & 1.6 W of Fittstown
RouteCounty Highway D1670
Coordinates34.60162, -96.66261
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating29 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span27 ft (8.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was D1670 over Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1997.

What condition is D1670 over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does D1670 over Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is D1670 over Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.1 m) and a deck 16 ft wide.

Who owns D1670 over Creek?

It is owned by the County Highway Agency.