US Bridges

Wonju ST over Ore Branch

Good

Roanoke city, Virginia · 0010220 Bus 0010220 Bp · Structure no. 000000000021662

Built
1977
48 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
12,550
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wonju ST over Ore Branch is a concrete culvert carrying Wonju ST over Ore Branch in Roanoke city, Virginia. It was built in 1977, so it is 48 years old, younger than the Virginia average of 50.7 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 12,550 vehicles a day, roughly 1% of them trucks, projected to reach 12,800 by 2040. The structure is 27 ft (8.3 m) long and 144 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWonju ST
CrossesOre Branch
Location0010220 Bus 0010220 Bp
RouteCity Street 0
Coordinates37.25001, -79.95697
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length27 ft (8.3 m)
Longest span8 ft (2.5 m)
Deck width144 ft (43.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,550 (2020)
Projected traffic12,800 by 2040
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wonju ST over Ore Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Wonju ST over Ore Branch 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 September 2024.

How much traffic does Wonju ST over Ore Branch carry?

About 12,550 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Wonju ST over Ore Branch?

The structure is 27 ft (8.3 m) long with a longest span of 8 ft (2.5 m) and a deck 144 ft wide.

Who owns Wonju ST over Ore Branch?

It is owned by the City or Municipal Highway Agency.