US Bridges

CO RD 71 over Indian Creek

Fair

Grant County, Oregon · 3.0 MI S JCT Ore 26 · Structure no. 18018 000023C71

Built
1994
31 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
190
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 71 over Indian Creek is a prestressed concrete slab carrying CO RD 71 over Indian Creek in Grant County, Oregon. It was built in 1994, so it is 31 years old, younger than the Oregon average of 49.9 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 190 vehicles a day, roughly 20% of them trucks, projected to reach 220 by 2025. The structure is 26 ft (7.9 m) long and 24 ft wide.

CarriesCO RD 71
CrossesIndian Creek
Location3.0 MI S JCT Ore 26
RouteCounty Highway C0020
StateOregon
Coordinates44.40278, -118.75833
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
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 rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic220 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 CO RD 71 over Indian Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is CO RD 71 over Indian 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 CO RD 71 over Indian Creek carry?

About 190 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is CO RD 71 over Indian Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns CO RD 71 over Indian Creek?

It is owned by the County Highway Agency.