US Bridges

Round Hill RD over Trib of Lamine Rvr

PoorPosted for load

Moniteau County, Missouri · S 10 T 45 N R 17 W · Structure no. 14797

Built
1920
105 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete
Length
43 ft
2 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Round Hill RD over Trib of Lamine Rvr is a concrete slab carrying Round Hill RD over Trib of Lamine Rvr in Moniteau County, Missouri. It was built in 1920, so it is 105 years old, older 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 21 by 2044. The structure is 43 ft (13.1 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRound Hill RD
CrossesTrib of Lamine Rvr
LocationS 10 T 45 N R 17 W
RouteCounty Highway 76
Coordinates38.67961, -92.76411
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length43 ft (13.1 m)
Longest span21 ft (6.4 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic21 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$366,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Round Hill RD over Trib of Lamine Rvr built?

It was built in 1920, making it 105 years old in 2025.

What condition is Round Hill RD over Trib of Lamine Rvr 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 November 2023.

How much traffic does Round Hill RD over Trib of Lamine Rvr carry?

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

How long is Round Hill RD over Trib of Lamine Rvr?

The structure is 43 ft (13.1 m) long with a longest span of 21 ft (6.4 m) and a deck 14 ft wide.

Who owns Round Hill RD over Trib of Lamine Rvr?

It is owned by the County Highway Agency.