US Bridges

163rd Trl over Salt Pond CR

FairPosted for load

Saline County, Missouri · S 13 T 49 N R 23 W · Structure no. 23805

Built
1905
120 years old, rebuilt 1985
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

163rd Trl over Salt Pond CR is a steel stringer/multi-beam or girder carrying 163rd Trl over Salt Pond CR in Saline County, Missouri. It was built in 1905 and reconstructed in 1985, so it is 120 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries163rd Trl
CrossesSalt Pond CR
LocationS 13 T 49 N R 23 W
RouteCounty Highway 434
Coordinates39.03104, -93.39742
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 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 closed3.7 mi (6 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 163rd Trl over Salt Pond CR built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1985.

What condition is 163rd Trl over Salt Pond CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does 163rd Trl over Salt Pond CR carry?

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

How long is 163rd Trl over Salt Pond CR?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 20 ft wide.

Who owns 163rd Trl over Salt Pond CR?

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