US Bridges

Old Barn RD over Elkhorn CR

FairPosted for load

Montgomery County, Missouri · S 12 T 48 N R 5 W · Structure no. 19410

Built
1985
40 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Old Barn RD over Elkhorn CR is a steel stringer/multi-beam or girder carrying Old Barn RD over Elkhorn CR in Montgomery County, Missouri. It was built in 1985, so it is 40 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesOld Barn RD
CrossesElkhorn CR
LocationS 12 T 48 N R 5 W
RouteCounty Highway 220
CountyMontgomery County
StateMissouri
Coordinates38.93589, -91.42742
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating10.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic44 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Barn RD over Elkhorn CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Old Barn RD over Elkhorn 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 January 2023.

How much traffic does Old Barn RD over Elkhorn CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old Barn RD over Elkhorn CR?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 21 ft wide.

Who owns Old Barn RD over Elkhorn CR?

It is owned by the County Highway Agency.