US Bridges

Elm Branch RD over Windsor Lake Spil

Good

Pettis County, Missouri · S 6 T 43 N R 23 W · Structure no. 37371

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Elm Branch RD over Windsor Lake Spil is a aluminum, wrought iron, or cast iron culvert carrying Elm Branch RD over Windsor Lake Spil in Pettis County, Missouri. It was built in 2024, so it is 1 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2044. The structure is 25 ft (7.5 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesElm Branch RD
CrossesWindsor Lake Spil
LocationS 6 T 43 N R 23 W
RouteCounty Highway 294
Coordinates38.52694, -93.50889
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span25 ft (7.5 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic170 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Elm Branch RD over Windsor Lake Spil built?

It was built in 2024, making it 1 years old in 2025.

What condition is Elm Branch RD over Windsor Lake Spil in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Elm Branch RD over Windsor Lake Spil carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Elm Branch RD over Windsor Lake Spil?

The structure is 25 ft (7.5 m) long with a longest span of 25 ft (7.5 m) and a deck 36 ft wide.

Who owns Elm Branch RD over Windsor Lake Spil?

It is owned by the County Highway Agency.