US Bridges

187th RD over Salt Pond CR

Poor

Saline County, Missouri · S 2 T 49 N R 23 W · Structure no. 16056

Built
1996
29 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

187th RD over Salt Pond CR is a steel stringer/multi-beam or girder carrying 187th RD over Salt Pond CR in Saline 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries187th RD
CrossesSalt Pond CR
LocationS 2 T 49 N R 23 W
RouteCounty Highway 108
Coordinates39.06715, -93.4025
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 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 byCounty 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$249,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 187th RD over Salt Pond CR built?

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

What condition is 187th RD over Salt Pond CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does 187th RD over Salt Pond CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 187th RD over Salt Pond CR?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns 187th RD over Salt Pond CR?

It is owned by the County Highway Agency.