US Bridges

E1720 over Little Blue Creek

Fair

Pontotoc County, Oklahoma · 6.5 S & .1 E of Fittstown · Structure no. 080230000000000

Built
1940
85 years old, rebuilt 2007
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
20 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

E1720 over Little Blue Creek is a steel stringer/multi-beam or girder carrying E1720 over Little Blue Creek in Pontotoc County, Oklahoma. It was built in 1940 and reconstructed in 2007, 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.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 20 ft (6.2 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesE1720
CrossesLittle Blue Creek
Location6.5 S & .1 E of Fittstown
RouteCounty Highway E1720
Coordinates34.52024, -96.63314
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span17 ft (5.3 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1720 over Little Blue Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2007.

What condition is E1720 over Little Blue 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 E1720 over Little Blue Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1720 over Little Blue Creek?

The structure is 20 ft (6.2 m) long with a longest span of 17 ft (5.3 m) and a deck 20 ft wide.

Who owns E1720 over Little Blue Creek?

It is owned by the County Highway Agency.