US Bridges

Kimberly LN C-554 over Lockett Gulch Idaho

Fair

Malheur County, Oregon · 002MI S Int FAS B489 · Structure no. 45C217055400115

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
61
2020 count
Owner
County
County Highway Agency

About this bridge

Kimberly LN C-554 over Lockett Gulch Idaho is a steel stringer/multi-beam or girder carrying Kimberly LN C-554 over Lockett Gulch Idaho in Malheur County, Oregon. It was built in 1975, so it is 50 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 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 61 vehicles a day, roughly 10% of them trucks, projected to reach 71 by 2025. The structure is 31 ft (9.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKimberly LN C-554
CrossesLockett Gulch Idaho
Location002MI S Int FAS B489
RouteCounty Highway C0554
StateOregon
Coordinates43.87998, -117.08617
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2020)
Projected traffic71 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Kimberly LN C-554 over Lockett Gulch Idaho built?

It was built in 1975, making it 50 years old in 2025.

What condition is Kimberly LN C-554 over Lockett Gulch Idaho 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 October 2023.

How much traffic does Kimberly LN C-554 over Lockett Gulch Idaho carry?

About 61 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Kimberly LN C-554 over Lockett Gulch Idaho?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Kimberly LN C-554 over Lockett Gulch Idaho?

It is owned by the County Highway Agency.