US Bridges

E1770 over Pecan Creek

Fair

Comanche County, Oklahoma · 4S&4.1W of JCT I-44&SH36 · Structure no. 182200000000000

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
51
2022 count
Owner
County
County Highway Agency

About this bridge

E1770 over Pecan Creek is a steel stringer/multi-beam or girder carrying E1770 over Pecan Creek in Comanche County, Oklahoma. It was built in 1972, so it is 53 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 6 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 51 vehicles a day, roughly 10% of them trucks, projected to reach 82 by 2042. The structure is 46 ft (14 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesE1770
CrossesPecan Creek
Location4S&4.1W of JCT I-44&SH36
RouteCounty Highway E1770
CountyComanche County
StateOklahoma
Coordinates34.44919, -98.48398
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2022)
Projected traffic82 by 2042
Trucks10%
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$335,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1770 over Pecan Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is E1770 over Pecan 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 August 2023.

How much traffic does E1770 over Pecan Creek carry?

About 51 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1770 over Pecan Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 23 ft wide.

Who owns E1770 over Pecan Creek?

It is owned by the County Highway Agency.