US Bridges

Mo 124 E over Perche Crk

Good

Boone County, Missouri · S 17 T 50 N R 13 W · Structure no. 6118

Built
1953
72 years old, rebuilt 2009
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
3 main spans
Daily traffic
2,794
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 124 E over Perche Crk is a steel continuous stringer/multi-beam or girder carrying Mo 124 E over Perche Crk in Boone County, Missouri. It was built in 1953 and reconstructed in 2009, so it is 72 years old, older 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 2,794 vehicles a day, roughly 11% of them trucks, projected to reach 4,890 by 2044. The structure is 224 ft (68.3 m) long and 27 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesMo 124 E
CrossesPerche Crk
LocationS 17 T 50 N R 13 W
RouteState Highway 124
Coordinates39.12643, -92.41056
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length224 ft (68.3 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,794 (2024)
Projected traffic4,890 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 124 E over Perche Crk built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2009.

What condition is Mo 124 E over Perche Crk 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 September 2023.

How much traffic does Mo 124 E over Perche Crk carry?

About 2,794 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 124 E over Perche Crk?

The structure is 224 ft (68.3 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns Mo 124 E over Perche Crk?

It is owned by the State Highway Agency.