US Bridges

Bellflower Road over Conyers Creek

Good

Columbia County, Oregon · 0.1 MI W of Erickson Rd. · Structure no. 21094 000 00000

Built
2007
18 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
51 ft
1 main span
Daily traffic
1,373
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bellflower Road over Conyers Creek is a concrete culvert carrying Bellflower Road over Conyers Creek in Columbia County, Oregon. It was built in 2007, so it is 18 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 1,373 vehicles a day, roughly 2% of them trucks, projected to reach 1,553 by 2025. The structure is 51 ft (15.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBellflower Road
CrossesConyers Creek
Location0.1 MI W of Erickson Rd.
RouteCity Street 0
StateOregon
Coordinates46.1005, -123.20061
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length51 ft (15.4 m)
Longest span48 ft (14.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,373 (2020)
Projected traffic1,553 by 2025
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bellflower Road over Conyers Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Bellflower Road over Conyers 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 May 2023.

How much traffic does Bellflower Road over Conyers Creek carry?

About 1,373 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Bellflower Road over Conyers Creek?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m).

Who owns Bellflower Road over Conyers Creek?

It is owned by the City or Municipal Highway Agency.