US Bridges

Rocheport RD over Lilly Br

Fair

Cooper County, Missouri · S 36 T 49 N R 17 W · Structure no. 28789

Built
2000
25 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Rocheport RD over Lilly Br is a concrete continuous slab carrying Rocheport RD over Lilly Br in Cooper County, Missouri. It was built in 2000, so it is 25 years old, younger 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2044. The structure is 31 ft (9.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRocheport RD
CrossesLilly Br
LocationS 36 T 49 N R 17 W
RouteCounty Highway 48
Coordinates38.97244, -92.72164
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic33 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rocheport RD over Lilly Br built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rocheport RD over Lilly 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 December 2023.

How much traffic does Rocheport RD over Lilly Br carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rocheport RD over Lilly Br?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns Rocheport RD over Lilly Br?

It is owned by the County Highway Agency.