US Bridges

Farm RD 80 over Br of Sac Rvr

Poor

Greene County, Missouri · S 30 T 30 N R 24 W · Structure no. 14947

Built
1900
125 years old, rebuilt 1985
Condition
Poor
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
246
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 80 over Br of Sac Rvr is a prestressed concrete tee beam carrying Farm RD 80 over Br of Sac Rvr in Greene County, Missouri. It was built in 1900 and reconstructed in 1985, so it is 125 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.

It carries about 246 vehicles a day, roughly 10% of them trucks, projected to reach 504 by 2044. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFarm RD 80
CrossesBr of Sac Rvr
LocationS 30 T 30 N R 24 W
RouteCounty Highway 80
Coordinates37.30345, -93.6158
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
Deck8 Very GoodNo problems noted.
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 inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic246 (2024)
Projected traffic504 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Farm RD 80 over Br of Sac Rvr built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1985.

What condition is Farm RD 80 over Br of Sac 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 May 2024.

How much traffic does Farm RD 80 over Br of Sac Rvr carry?

About 246 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 80 over Br of Sac Rvr?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns Farm RD 80 over Br of Sac Rvr?

It is owned by the County Highway Agency.