US Bridges

Or 99W (hwy 91) over Rickreall Creek

Fair

Polk County, Oregon · 064 MI N Monmouth · Structure no. 00492A01W 05789

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
13,088
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99W (hwy 91) over Rickreall Creek is a concrete continuous tee beam carrying Or 99W (hwy 91) over Rickreall Creek in Polk County, Oregon. It was built in 1960, so it is 65 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 13,088 vehicles a day, roughly 16% of them trucks, projected to reach 13,200 by 2042. The structure is 182 ft (55.5 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesOr 99W (hwy 91)
CrossesRickreall Creek
Location064 MI N Monmouth
RouteState Highway 99
CountyPolk County
StateOregon
Coordinates44.92812, -123.22847
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,088 (2022)
Projected traffic13,200 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$932,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99W (hwy 91) over Rickreall Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Or 99W (hwy 91) over Rickreall 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 April 2023.

How much traffic does Or 99W (hwy 91) over Rickreall Creek carry?

About 13,088 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Or 99W (hwy 91) over Rickreall Creek?

The structure is 182 ft (55.5 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns Or 99W (hwy 91) over Rickreall Creek?

It is owned by the State Highway Agency.