US Bridges

150th RD over Salt Pond CR

Fair

Saline County, Missouri · S 26 T 49 N R 23 W · Structure no. 29765

Built
2003
22 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

150th RD over Salt Pond CR is a steel stringer/multi-beam or girder carrying 150th RD over Salt Pond CR in Saline County, Missouri. It was built in 2003, so it is 22 years old, younger 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.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 70 ft (21.3 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries150th RD
CrossesSalt Pond CR
LocationS 26 T 49 N R 23 W
RouteCounty Highway 318
Coordinates39.01261, -93.399
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.2 US tons
Inventory rating46.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span69 ft (20.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 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 closed6.8 mi (11 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 150th RD over Salt Pond CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is 150th RD 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 150th RD over Salt Pond CR carry?

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

How long is 150th RD over Salt Pond CR?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (20.9 m) and a deck 20 ft wide.

Who owns 150th RD over Salt Pond CR?

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