US Bridges

Melody Ave over Rock CR

Poor

Saline County, Missouri · S 33 T 51 N R 21 W · Structure no. 26261

Built
1999
26 years old
Condition
Poor
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Melody Ave over Rock CR is a prestressed concrete tee beam carrying Melody Ave over Rock CR in Saline County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMelody Ave
CrossesRock CR
LocationS 33 T 51 N R 21 W
RouteCounty Highway 173
Coordinates39.15689, -93.10772
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$455,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Melody Ave over Rock CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Melody Ave over Rock CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Melody Ave over Rock CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Melody Ave over Rock CR?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 24 ft wide.

Who owns Melody Ave over Rock CR?

It is owned by the County Highway Agency.