US Bridges

Farm RD 18 over Br of Asher CR

Fair

Greene County, Missouri · S 19 T 31 N R 23 W · Structure no. 12732

Built
1900
125 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
35 ft
2 main spans
Daily traffic
57
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 18 over Br of Asher CR is a concrete slab carrying Farm RD 18 over Br of Asher CR in Greene County, Missouri. It was built in 1900, 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 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 57 vehicles a day, roughly 10% of them trucks, projected to reach 117 by 2044. The structure is 35 ft (10.7 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFarm RD 18
CrossesBr of Asher CR
LocationS 19 T 31 N R 23 W
RouteCounty Highway 18
CountyGreene County
StateMissouri
Coordinates37.40187, -93.50681
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2024)
Projected traffic117 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Farm RD 18 over Br of Asher CR built?

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

What condition is Farm RD 18 over Br of Asher CR 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 May 2024.

How much traffic does Farm RD 18 over Br of Asher CR carry?

About 57 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 18 over Br of Asher CR?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 18 ft wide.

Who owns Farm RD 18 over Br of Asher CR?

It is owned by the County Highway Agency.