US Bridges

Bagnell Dam Blvd N over Rt Mm

Good

Camden County, Missouri · S 25 T 40 N R 16 W · Structure no. 4383

Built
1996
29 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
13,094
2024 count
Owner
State
State Highway Agency

About this bridge

Bagnell Dam Blvd N over Rt Mm is a steel continuous stringer/multi-beam or girder carrying Bagnell Dam Blvd N over Rt Mm in Camden County, Missouri. It was built in 1996, so it is 29 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 13,094 vehicles a day, roughly 7% of them trucks, projected to reach 26,188 by 2044. The structure is 222 ft (67.7 m) long and 41 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesBagnell Dam Blvd N
CrossesRt Mm
LocationS 25 T 40 N R 16 W
RouteCity Street 0
Coordinates38.18753, -92.64193
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span112 ft (34.2 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,094 (2024)
Projected traffic26,188 by 2044
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed49.7 mi (80 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$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bagnell Dam Blvd N over Rt Mm built?

It was built in 1996, making it 29 years old in 2025.

What condition is Bagnell Dam Blvd N over Rt Mm 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 February 2024.

How much traffic does Bagnell Dam Blvd N over Rt Mm carry?

About 13,094 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Bagnell Dam Blvd N over Rt Mm?

The structure is 222 ft (67.7 m) long with a longest span of 112 ft (34.2 m) and a deck 41 ft wide.

Who owns Bagnell Dam Blvd N over Rt Mm?

It is owned by the State Highway Agency.