US Bridges

Mo 15 S over Fish Br

Good

Audrain County, Missouri · S 28 T 52 N R 9 W · Structure no. 35249

Built
2016
9 years old
Condition
Good
inspected October 2021
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
1,547
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 15 S over Fish Br is a prestressed concrete continuous box beam or girders - single or spread carrying Mo 15 S over Fish Br in Audrain County, Missouri. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,547 vehicles a day, roughly 11% of them trucks, projected to reach 2,398 by 2044. The structure is 147 ft (44.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMo 15 S
CrossesFish Br
LocationS 28 T 52 N R 9 W
RouteState Highway 15
Coordinates39.25828, -91.91828
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length147 ft (44.7 m)
Longest span61 ft (18.6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,547 (2024)
Projected traffic2,398 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 15 S over Fish Br built?

It was built in 2016, making it 9 years old in 2025.

What condition is Mo 15 S over Fish Br 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 October 2021.

How much traffic does Mo 15 S over Fish Br carry?

About 1,547 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 15 S over Fish Br?

The structure is 147 ft (44.7 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.

Who owns Mo 15 S over Fish Br?

It is owned by the State Highway Agency.