US Bridges

Rt Ww E over Rock Br

Fair

Carroll County, Missouri · S 34 T 55 N R 23 W · Structure no. 5055

Built
1927
98 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
817
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Ww E over Rock Br is a concrete tee beam carrying Rt Ww E over Rock Br in Carroll County, Missouri. It was built in 1927, so it is 98 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 817 vehicles a day, roughly 11% of them trucks, projected to reach 1,021 by 2044. The structure is 43 ft (13.1 m) long and 23 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesRt Ww E
CrossesRock Br
LocationS 34 T 55 N R 23 W
RouteState Highway 0WW
CountyCarroll County
StateMissouri
Coordinates39.53604, -93.45904
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic817 (2024)
Projected traffic1,021 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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$390,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Ww E over Rock Br built?

It was built in 1927, making it 98 years old in 2025.

What condition is Rt Ww E over Rock Br in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Rt Ww E over Rock Br carry?

About 817 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Ww E over Rock Br?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 23 ft wide.

Who owns Rt Ww E over Rock Br?

It is owned by the State Highway Agency.