US Bridges

Den Hill Road 603 over Cedar Run

Good

Montgomery County, Virginia · 0.40 Rt 641; 0.50 Rt 723 · Structure no. 000000000012193

Built
1986
39 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete
Length
144 ft
3 main spans
Daily traffic
1,548
2022 count
Owner
State
State Highway Agency

About this bridge

Den Hill Road 603 over Cedar Run is a concrete tee beam carrying Den Hill Road 603 over Cedar Run in Montgomery County, Virginia. It was built in 1986, so it is 39 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 1,548 vehicles a day, projected to reach 1,726 by 2042. The structure is 144 ft (43.9 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesDen Hill Road 603
CrossesCedar Run
Location0.40 Rt 641; 0.50 Rt 723
RouteCounty Highway 603
Coordinates37.1898, -80.35847
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating88 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length144 ft (43.9 m)
Longest span48 ft (14.6 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,548 (2022)
Projected traffic1,726 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$468 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Den Hill Road 603 over Cedar Run built?

It was built in 1986, making it 39 years old in 2025.

What condition is Den Hill Road 603 over Cedar Run 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 Den Hill Road 603 over Cedar Run carry?

About 1,548 vehicles per day (2022 count).

How long is Den Hill Road 603 over Cedar Run?

The structure is 144 ft (43.9 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.

Who owns Den Hill Road 603 over Cedar Run?

It is owned by the State Highway Agency.