US Bridges

Tower RD over I-84 HWY 2 (tower RD Ic)

Fair

Morrow County, Oregon · 098 MI E Gilliam CO Line · Structure no. 09021 002C15930

Built
1964
61 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
266 ft
4 main spans
Daily traffic
2,389
2022 count
Owner
State
State Highway Agency

About this bridge

Tower RD over I-84 HWY 2 (tower RD Ic) is a prestressed concrete stringer/multi-beam or girder carrying Tower RD over I-84 HWY 2 (tower RD Ic) in Morrow County, Oregon. It was built in 1964, so it is 61 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 5 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 2,389 vehicles a day, roughly 26% of them trucks, projected to reach 1,900 by 2030. The structure is 266 ft (81.1 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesTower RD
CrossesI-84 HWY 2 (tower RD Ic)
Location098 MI E Gilliam CO Line
RouteInterstate 84
CountyMorrow County
StateOregon
Coordinates45.82936, -119.8012
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span75 ft (22.9 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,389 (2022)
Projected traffic1,900 by 2030
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Tower RD over I-84 HWY 2 (tower RD Ic) built?

It was built in 1964, making it 61 years old in 2025.

What condition is Tower RD over I-84 HWY 2 (tower RD Ic) 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 February 2024.

How much traffic does Tower RD over I-84 HWY 2 (tower RD Ic) carry?

About 2,389 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is Tower RD over I-84 HWY 2 (tower RD Ic)?

The structure is 266 ft (81.1 m) long with a longest span of 75 ft (22.9 m) and a deck 35 ft wide.

Who owns Tower RD over I-84 HWY 2 (tower RD Ic)?

It is owned by the State Highway Agency.