US Bridges

Elkhorn Creek RD over Elkhorn CR

Fair

Montgomery County, Missouri · S 28 T 49 N R 5 W · Structure no. 17633

Built
1994
31 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Elkhorn Creek RD over Elkhorn CR is a steel stringer/multi-beam or girder carrying Elkhorn Creek RD over Elkhorn CR in Montgomery County, Missouri. It was built in 1994, so it is 31 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.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2043. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesElkhorn Creek RD
CrossesElkhorn CR
LocationS 28 T 49 N R 5 W
RouteCounty Highway 158
CountyMontgomery County
StateMissouri
Coordinates38.99336, -91.47803
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic63 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Elkhorn Creek RD over Elkhorn CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Elkhorn Creek 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 Elkhorn Creek RD over Elkhorn CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Elkhorn Creek RD over Elkhorn CR?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 25 ft wide.

Who owns Elkhorn Creek RD over Elkhorn CR?

It is owned by the County Highway Agency.