US Bridges

Ingle ST over John Day R(mt Vernon)

Fair

Grant County, Oregon · 0.4 MI South JCT US 26 · Structure no. 23C482048 00043

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
129 ft
3 main spans
Daily traffic
183
2020 count
Owner
County
County Highway Agency

About this bridge

Ingle ST over John Day R(mt Vernon) is a concrete continuous tee beam carrying Ingle ST over John Day R(mt Vernon) in Grant County, Oregon. It was built in 1964, so it is 61 years old, older 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 5 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 183 vehicles a day, roughly 2% of them trucks, projected to reach 213 by 2025. The structure is 129 ft (39.3 m) long and 30 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesIngle ST
CrossesJohn Day R(mt Vernon)
Location0.4 MI South JCT US 26
RouteCity Street C0048
StateOregon
Coordinates44.41156, -119.11336
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2020)
Projected traffic213 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ingle ST over John Day R(mt Vernon) built?

It was built in 1964, making it 61 years old in 2025.

What condition is Ingle ST over John Day R(mt Vernon) 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 Ingle ST over John Day R(mt Vernon) carry?

About 183 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Ingle ST over John Day R(mt Vernon)?

The structure is 129 ft (39.3 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns Ingle ST over John Day R(mt Vernon)?

It is owned by the County Highway Agency.