US Bridges

Madison Ave over Powder River Madison Ave

Fair

Baker County, Oregon · City of Baker · Structure no. 04T06 000000000

Built
1925
100 years old, rebuilt 1966
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
1,552
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Madison Ave over Powder River Madison Ave is a steel stringer/multi-beam or girder carrying Madison Ave over Powder River Madison Ave in Baker County, Oregon. It was built in 1925 and reconstructed in 1966, so it is 100 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 1,552 vehicles a day, roughly 2% of them trucks, projected to reach 1,692 by 2025. The structure is 49 ft (14.9 m) long and 54 ft wide.

CarriesMadison Ave
CrossesPowder River Madison Ave
LocationCity of Baker
RouteCity Street C0000
StateOregon
Coordinates44.78043, -117.8281
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,552 (2020)
Projected traffic1,692 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Madison Ave over Powder River Madison Ave built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1966.

What condition is Madison Ave over Powder River Madison Ave 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 June 2023.

How much traffic does Madison Ave over Powder River Madison Ave carry?

About 1,552 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Madison Ave over Powder River Madison Ave?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 54 ft wide.

Who owns Madison Ave over Powder River Madison Ave?

It is owned by the City or Municipal Highway Agency.