US Bridges

Or 229 (hwy 181) over Root Creek

Good

Lincoln County, Oregon · 011 MI N Summit · Structure no. 01914A181 01287

Built
1989
36 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
400
2022 count
Owner
State
State Highway Agency

About this bridge

Or 229 (hwy 181) over Root Creek is a prestressed concrete slab carrying Or 229 (hwy 181) over Root Creek in Lincoln County, Oregon. It was built in 1989, so it is 36 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 17% of them trucks, projected to reach 540 by 2042. The structure is 150 ft (45.7 m) long and 36 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

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CarriesOr 229 (hwy 181)
CrossesRoot Creek
Location011 MI N Summit
RouteState Highway 229
CountyLincoln County
StateOregon
Coordinates44.82338, -123.9634
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic540 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 229 (hwy 181) over Root Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Or 229 (hwy 181) over Root Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Or 229 (hwy 181) over Root Creek carry?

About 400 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Or 229 (hwy 181) over Root Creek?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns Or 229 (hwy 181) over Root Creek?

It is owned by the State Highway Agency.