US Bridges

Rader Barn RD./797 over Mill Creek

Good

Botetourt County, Virginia · 0.05-RTE11; 0.40-D. End · Structure no. 000000000003530

Built
1932
93 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
20
2019 count
Owner
State
State Highway Agency

About this bridge

Rader Barn RD./797 over Mill Creek is a steel stringer/multi-beam or girder carrying Rader Barn RD./797 over Mill Creek in Botetourt County, Virginia. It was built in 1932, so it is 93 years old, older 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 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 20 vehicles a day, projected to reach 28 by 2042. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesRader Barn RD./797
CrossesMill Creek
Location0.05-RTE11; 0.40-D. End
RouteCounty Highway 797
CountyBotetourt County
StateVirginia
Coordinates37.44883, -79.84236
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating63.1 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic28 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$886 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rader Barn RD./797 over Mill Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Rader Barn RD./797 over Mill 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 August 2024.

How much traffic does Rader Barn RD./797 over Mill Creek carry?

About 20 vehicles per day (2019 count).

How long is Rader Barn RD./797 over Mill Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns Rader Barn RD./797 over Mill Creek?

It is owned by the State Highway Agency.