US Bridges

E Watermill RD over Salt Fk

Good

Saline County, Missouri · S 13 T 50 N R 21 W · Structure no. 17738

Built
1988
37 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

E Watermill RD over Salt Fk is a prestressed concrete stringer/multi-beam or girder carrying E Watermill RD over Salt Fk in Saline County, Missouri. It was built in 1988, so it is 37 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 220 by 2044. The structure is 203 ft (61.9 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesE Watermill RD
CrossesSalt Fk
LocationS 13 T 50 N R 21 W
RouteCounty Highway 161
Coordinates39.10833, -93.16011
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic220 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local 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 E Watermill RD over Salt Fk built?

It was built in 1988, making it 37 years old in 2025.

What condition is E Watermill RD over Salt Fk 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 March 2024.

How much traffic does E Watermill RD over Salt Fk carry?

About 200 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is E Watermill RD over Salt Fk?

The structure is 203 ft (61.9 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns E Watermill RD over Salt Fk?

It is owned by the County Highway Agency and maintained by the Other Local Agency.