US Bridges

250th RD over Salt Br

Fair

Saline County, Missouri · S 4 T 50 N R 22 W · Structure no. 14215

Built
1972
53 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

250th RD over Salt Br is a steel stringer/multi-beam or girder carrying 250th RD over Salt Br in Saline County, Missouri. It was built in 1972, so it is 53 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 5 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 48 ft (14.6 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries250th RD
CrossesSalt Br
LocationS 4 T 50 N R 22 W
RouteCounty Highway 60
Coordinates39.15534, -93.32156
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length48 ft (14.6 m)
Longest span47 ft (14.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$260,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 250th RD over Salt Br built?

It was built in 1972, making it 53 years old in 2025.

What condition is 250th RD over Salt Br 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 March 2024.

How much traffic does 250th RD over Salt Br carry?

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

How long is 250th RD over Salt Br?

The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.3 m) and a deck 16 ft wide.

Who owns 250th RD over Salt Br?

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