US Bridges

Lion Ave over Trib Mid Fk of Sal

Good

Macon County, Missouri · S 12 T 56 N R 14 W · Structure no. 24724

Built
1991
34 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Lion Ave over Trib Mid Fk of Sal is a steel stringer/multi-beam or girder carrying Lion Ave over Trib Mid Fk of Sal in Macon County, Missouri. It was built in 1991, so it is 34 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 15% of them trucks, projected to reach 44 by 2044. The structure is 49 ft (14.9 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLion Ave
CrossesTrib Mid Fk of Sal
LocationS 12 T 56 N R 14 W
RouteCounty Highway 540
CountyMacon County
StateMissouri
Coordinates39.67776, -92.42369
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Lion Ave over Trib Mid Fk of Sal built?

It was built in 1991, making it 34 years old in 2025.

What condition is Lion Ave over Trib Mid Fk of Sal 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 January 2024.

How much traffic does Lion Ave over Trib Mid Fk of Sal carry?

About 40 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Lion Ave over Trib Mid Fk of Sal?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 18 ft wide.

Who owns Lion Ave over Trib Mid Fk of Sal?

It is owned by the County Highway Agency.