US Bridges

Hager Road over Blacktail Creek

Fair

Lane County, Oregon · 017 MI N Lowpass Wayside · Structure no. 39C365363100043

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
134
2020 count
Owner
County
County Highway Agency

About this bridge

Hager Road over Blacktail Creek is a prestressed concrete slab carrying Hager Road over Blacktail Creek in Lane County, Oregon. It was built in 1982, so it is 43 years old, younger 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 134 vehicles a day, projected to reach 159 by 2025. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHager Road
CrossesBlacktail Creek
Location017 MI N Lowpass Wayside
RouteCounty Highway C3631
StateOregon
Coordinates44.16909, -123.41136
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic134 (2020)
Projected traffic159 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Hager Road over Blacktail Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Hager Road over Blacktail 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 Hager Road over Blacktail Creek carry?

About 134 vehicles per day (2020 count).

How long is Hager Road over Blacktail Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns Hager Road over Blacktail Creek?

It is owned by the County Highway Agency.