US Bridges

Elmont RD over Br of Boone CR

Fair

Franklin County, Missouri · S 28 T 41 N R 3 W · Structure no. 22371

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

Elmont RD over Br of Boone CR is a concrete culvert carrying Elmont RD over Br of Boone CR in Franklin County, Missouri. It was built in 1990, so it is 35 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 125 vehicles a day, roughly 12% of them trucks, projected to reach 225 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesElmont RD
CrossesBr of Boone CR
LocationS 28 T 41 N R 3 W
RouteCounty Highway 362
CountyFranklin County
StateMissouri
Coordinates38.2666, -91.2743
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic225 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-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 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 Elmont RD over Br of Boone CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is Elmont RD over Br of Boone 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 March 2023.

How much traffic does Elmont RD over Br of Boone CR carry?

About 125 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Elmont RD over Br of Boone CR?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Elmont RD over Br of Boone CR?

It is owned by the County Highway Agency.