US Bridges

IRR E1690 over Cache Creek

Good

Comanche County, Oklahoma · 4N 2.2E JCT I-44 / SH 36 · Structure no. 325430000000000

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E1690 over Cache Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR E1690 over Cache Creek in Comanche County, Oklahoma. It was built in 2021, so it is 4 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2042. The structure is 205 ft (62.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR E1690
CrossesCache Creek
Location4N 2.2E JCT I-44 / SH 36
RouteCounty Highway E1690
Coordinates34.56529, -98.37423
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating69 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span85 ft (25.9 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E1690 over Cache Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is IRR E1690 over Cache Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does IRR E1690 over Cache Creek carry?

About 150 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E1690 over Cache Creek?

The structure is 205 ft (62.5 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.

Who owns IRR E1690 over Cache Creek?

It is owned by the County Highway Agency.