US Bridges

E1620 over Creek

FairPosted for load

Comanche County, Oklahoma · 5N 2.9 JCT SH7 / SH65 · Structure no. 290780000000000

Built
2008
17 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
161
2022 count
Owner
County
County Highway Agency

About this bridge

E1620 over Creek is a steel stringer/multi-beam or girder carrying E1620 over Creek in Comanche County, Oklahoma. It was built in 2008, so it is 17 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. Its operating status is: posted for load restriction.

It carries about 161 vehicles a day, roughly 10% of them trucks, projected to reach 258 by 2042. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE1620
CrossesCreek
Location5N 2.9 JCT SH7 / SH65
RouteCounty Highway E1620
Coordinates34.6666, -98.16007
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating16.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2022)
Projected traffic258 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$234,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1620 over Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is E1620 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 August 2023.

How much traffic does E1620 over Creek carry?

About 161 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1620 over Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 25 ft wide.

Who owns E1620 over Creek?

It is owned by the County Highway Agency.