US Bridges

Evergreen ST over Walnut CR

Good

Macon County, Missouri · S 33 T 60 N R 16 W · Structure no. 29535

Built
2002
23 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
210 ft
3 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Evergreen ST over Walnut CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Evergreen ST over Walnut CR in Macon 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 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 25% of them trucks, projected to reach 44 by 2044. The structure is 210 ft (64 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesEvergreen ST
CrossesWalnut CR
LocationS 33 T 60 N R 16 W
RouteCounty Highway 29
CountyMacon County
StateMissouri
Coordinates39.97129, -92.68117
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length210 ft (64 m)
Longest span70 ft (21.3 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks25%
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 Evergreen ST over Walnut CR built?

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

What condition is Evergreen ST over Walnut CR 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 December 2023.

How much traffic does Evergreen ST over Walnut CR carry?

About 40 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Evergreen ST over Walnut CR?

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.3 m) and a deck 25 ft wide.

Who owns Evergreen ST over Walnut CR?

It is owned by the County Highway Agency.