US Bridges

Farm RD 1090 over Am RR

Poor

Barry County, Missouri · S 1 T 23 N R 28 W · Structure no. 16123

Built
1936
89 years old
Condition
Poor
inspected February 2024
Type
Truss - Thru
Steel
Length
299 ft
1 main span
Daily traffic
500
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 1090 over Am RR is a steel truss - thru carrying Farm RD 1090 over Am RR in Barry County, Missouri. It was built in 1936, so it is 89 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 850 by 2044. The structure is 299 ft (91.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFarm RD 1090
CrossesAm RR
LocationS 1 T 23 N R 28 W
RouteCounty Highway 110
Coordinates36.73856, -93.90768
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadOther
Structure length299 ft (91.1 m)
Longest span110 ft (33.5 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic500 (2024)
Projected traffic850 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Farm RD 1090 over Am RR built?

It was built in 1936, making it 89 years old in 2025.

What condition is Farm RD 1090 over Am RR 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 February 2024.

How much traffic does Farm RD 1090 over Am RR carry?

About 500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 1090 over Am RR?

The structure is 299 ft (91.1 m) long with a longest span of 110 ft (33.5 m) and a deck 22 ft wide.

Who owns Farm RD 1090 over Am RR?

It is owned by the County Highway Agency.