US Bridges

Minter Bridge Road over Davis Creek

Fair

Washington County, Oregon · 002 MI N Burkhalter · Structure no. 671232096300090

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
62 ft
4 main spans
Daily traffic
382
2020 count
Owner
County
County Highway Agency

About this bridge

Minter Bridge Road over Davis Creek is a wood or timber stringer/multi-beam or girder carrying Minter Bridge Road over Davis Creek in Washington County, Oregon. It was built in 1959, so it is 66 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 382 vehicles a day, roughly 5% of them trucks, projected to reach 432 by 2025. The structure is 62 ft (18.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMinter Bridge Road
CrossesDavis Creek
Location002 MI N Burkhalter
RouteCounty Highway CA139
CountyWashington County
StateOregon
Coordinates45.4675, -122.98596
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length62 ft (18.9 m)
Longest span15 ft (4.6 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic382 (2020)
Projected traffic432 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$318,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Minter Bridge Road over Davis Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Minter Bridge Road over Davis 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 September 2023.

How much traffic does Minter Bridge Road over Davis Creek carry?

About 382 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Minter Bridge Road over Davis Creek?

The structure is 62 ft (18.9 m) long with a longest span of 15 ft (4.6 m) and a deck 20 ft wide.

Who owns Minter Bridge Road over Davis Creek?

It is owned by the County Highway Agency.