US Bridges

Norwood ST over Rock CR Trib

FairPosted for load

Jackson County, Missouri · S 15 T 49 N R 32 W · Structure no. 19144

Built
1970
55 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
1,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Norwood ST over Rock CR Trib is a concrete tee beam carrying Norwood ST over Rock CR Trib in Jackson County, Missouri. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,300 by 2044. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNorwood ST
CrossesRock CR Trib
LocationS 15 T 49 N R 32 W
RouteCity Street 0
Coordinates39.07613, -94.44097
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9.9 US tons
Inventory rating6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width25 ft (7.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,300 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$379,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Norwood ST over Rock CR Trib built?

It was built in 1970, making it 55 years old in 2025.

What condition is Norwood ST over Rock CR Trib 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 February 2023.

How much traffic does Norwood ST over Rock CR Trib carry?

About 1,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Norwood ST over Rock CR Trib?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns Norwood ST over Rock CR Trib?

It is owned by the City or Municipal Highway Agency.