US Bridges

Top of the Rock RD over Estate DR

Good

Taney County, Missouri · S 7 T 21 N R 21 W · Structure no. 34931

Built
2014
11 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Top of the Rock RD over Estate DR is a steel stringer/multi-beam or girder carrying Top of the Rock RD over Estate DR in Taney County, Missouri. It was built in 2014, so it is 11 years old, younger than the Missouri average of 45.1 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2043. The structure is 34 ft (10.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTop of the Rock RD
CrossesEstate DR
LocationS 7 T 21 N R 21 W
RouteCounty Highway 207
Coordinates36.53761, -93.26444
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic100 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Top of the Rock RD over Estate DR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Top of the Rock RD over Estate DR 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 February 2025.

How much traffic does Top of the Rock RD over Estate DR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Top of the Rock RD over Estate DR?

The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Top of the Rock RD over Estate DR?

It is owned by the County Highway Agency.