US Bridges

C-1128 Pine Town over Pine Creek

Fair

Baker County, Oregon · 020 MI S JCT Ore 86 · Structure no. 08959 112800198

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

C-1128 Pine Town over Pine Creek is a concrete continuous slab carrying C-1128 Pine Town over Pine Creek in Baker County, Oregon. It was built in 1961, so it is 64 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 130 vehicles a day, projected to reach 150 by 2025. The structure is 89 ft (27.1 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesC-1128 Pine Town
CrossesPine Creek
Location020 MI S JCT Ore 86
RouteCounty Highway C1128
StateOregon
Coordinates44.85929, -117.067
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic150 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 C-1128 Pine Town over Pine Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is C-1128 Pine Town over Pine 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 October 2024.

How much traffic does C-1128 Pine Town over Pine Creek carry?

About 130 vehicles per day (2020 count).

How long is C-1128 Pine Town over Pine Creek?

The structure is 89 ft (27.1 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns C-1128 Pine Town over Pine Creek?

It is owned by the County Highway Agency.