US Bridges

HWY 48 over Vance Creek

Good

Grant County, Oregon · 11.15 MI S JCT US 26 · Structure no. 22449 048 01100

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
765
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 48 over Vance Creek is a steel culvert carrying HWY 48 over Vance Creek in Grant County, Oregon. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 765 vehicles a day, roughly 26% of them trucks, projected to reach 810 by 2042. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 52.2 mi (84 km).

CarriesHWY 48
CrossesVance Creek
Location11.15 MI S JCT US 26
RouteU.S. Route US395
StateOregon
Coordinates44.28799, -118.97718
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic765 (2022)
Projected traffic810 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 HWY 48 over Vance Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is HWY 48 over Vance 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 HWY 48 over Vance Creek carry?

About 765 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is HWY 48 over Vance Creek?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m).

Who owns HWY 48 over Vance Creek?

It is owned by the State Highway Agency.