US Bridges

E1770 over Creek

Fair

Johnston County, Oklahoma · 4.9E of Connerville · Structure no. 307840000000000

Built
2015
10 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

E1770 over Creek is a concrete culvert carrying E1770 over Creek in Johnston County, Oklahoma. It was built in 2015, so it is 10 years old, younger 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2042. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesE1770
CrossesCreek
Location4.9E of Connerville
RouteCounty Highway E1770
CountyJohnston County
StateOklahoma
Coordinates34.44861, -96.55194
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length34 ft (10.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic200 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1770 over Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is E1770 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 April 2023.

How much traffic does E1770 over Creek carry?

About 125 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1770 over Creek?

The structure is 34 ft (10.3 m) long with a longest span of 24 ft (7.3 m).

Who owns E1770 over Creek?

It is owned by the County Highway Agency.