US Bridges

Aqua ST over Mussel Fork

Good

Macon County, Missouri · S 6 T 57 N R 17 W · Structure no. 37337

Built
2025
0 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Aqua ST over Mussel Fork is a prestressed concrete tee beam carrying Aqua ST over Mussel Fork in Macon County, Missouri. It was built in 2025, so it is 0 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 212 ft (64.6 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAqua ST
CrossesMussel Fork
LocationS 6 T 57 N R 17 W
RouteCounty Highway 385
Coordinates39.78653, -92.84616
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating60.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span100 ft (30.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 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 closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Aqua ST over Mussel Fork built?

It was built in 2025, making it 0 years old in 2025.

What condition is Aqua ST over Mussel Fork 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 August 2024.

How much traffic does Aqua ST over Mussel Fork carry?

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

How long is Aqua ST over Mussel Fork?

The structure is 212 ft (64.6 m) long with a longest span of 100 ft (30.5 m) and a deck 25 ft wide.

Who owns Aqua ST over Mussel Fork?

It is owned by the County Highway Agency.