US Bridges

IRR 1662C over Creek

FairPosted for load

Comanche County, Oklahoma · 3N&1.5W of JCT US277&SH17 · Structure no. 193390000000000

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Truss - Thru
Steel
Length
102 ft
1 main span
Daily traffic
630
2022 count
Owner
County
County Highway Agency

About this bridge

IRR 1662C over Creek is a steel truss - thru carrying IRR 1662C over Creek in Comanche County, Oklahoma. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 630 vehicles a day, roughly 15% of them trucks, projected to reach 1,008 by 2042. The structure is 102 ft (31.1 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR 1662C
CrossesCreek
Location3N&1.5W of JCT US277&SH17
RouteCounty Highway 1662C
Coordinates34.82808, -98.31703
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.2 US tons
Inventory rating18.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2022)
Projected traffic1,008 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$511,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR 1662C over Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is IRR 1662C 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 November 2023.

How much traffic does IRR 1662C over Creek carry?

About 630 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR 1662C over Creek?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 25 ft wide.

Who owns IRR 1662C over Creek?

It is owned by the County Highway Agency.