US Bridges

Zimmerman RD 603 over Glade Creek

Good

Botetourt County, Virginia · 0.07-RTE607; 0.20-RTE768 · Structure no. 000000000003324

Built
1946
79 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
28 ft
1 main span
Daily traffic
388
2016 count
Owner
State
State Highway Agency

About this bridge

Zimmerman RD 603 over Glade Creek is a concrete box beam or girders - multiple carrying Zimmerman RD 603 over Glade Creek in Botetourt County, Virginia. It was built in 1946, so it is 79 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 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 388 vehicles a day, projected to reach 444 by 2042. The structure is 28 ft (8.5 m) long and 14 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesZimmerman RD 603
CrossesGlade Creek
Location0.07-RTE607; 0.20-RTE768
RouteCounty Highway 603
Coordinates37.35126, -79.81325
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating57 US tons

Structure

MaterialConcrete
DeckOther
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic388 (2016)
Projected traffic444 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$644 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Zimmerman RD 603 over Glade Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is Zimmerman RD 603 over Glade 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 April 2024.

How much traffic does Zimmerman RD 603 over Glade Creek carry?

About 388 vehicles per day (2016 count).

How long is Zimmerman RD 603 over Glade Creek?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 14 ft wide.

Who owns Zimmerman RD 603 over Glade Creek?

It is owned by the State Highway Agency.