US Bridges

Long RD over Elkhorn CR

FairPosted for load

Montgomery County, Missouri · S 3 T 49 N R 5 W · Structure no. 19489

Built
1960
65 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
49 ft
2 main spans
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

Long RD over Elkhorn CR is a steel continuous stringer/multi-beam or girder carrying Long RD over Elkhorn CR in Montgomery County, Missouri. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 313 by 2043. The structure is 49 ft (14.9 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLong RD
CrossesElkhorn CR
LocationS 3 T 49 N R 5 W
RouteCounty Highway 222
CountyMontgomery County
StateMissouri
Coordinates38.96606, -91.46853
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length49 ft (14.9 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic313 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Long RD over Elkhorn CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Long 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 Long RD over Elkhorn CR carry?

About 250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Long RD over Elkhorn CR?

The structure is 49 ft (14.9 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns Long RD over Elkhorn CR?

It is owned by the County Highway Agency.