US Bridges

Alpine Ave over Elm Br

Fair

Saline County, Missouri · S 31 T 51 N R 23 W · Structure no. 29566

Built
2002
23 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Alpine Ave over Elm Br is a steel stringer/multi-beam or girder carrying Alpine Ave over Elm Br in Saline County, Missouri. It was built in 2002, so it is 23 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 75 ft (22.9 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesAlpine Ave
CrossesElm Br
LocationS 31 T 51 N R 23 W
RouteCounty Highway 78
Coordinates39.17234, -93.46539
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span73 ft (22.4 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local 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 Alpine Ave over Elm Br built?

It was built in 2002, making it 23 years old in 2025.

What condition is Alpine Ave over Elm Br 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 April 2024.

How much traffic does Alpine Ave over Elm Br carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Alpine Ave over Elm Br?

The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.4 m) and a deck 18 ft wide.

Who owns Alpine Ave over Elm Br?

It is owned by the County Highway Agency and maintained by the Other Local Agency.