US Bridges

Durango Ave over Salt Fk

Fair

Saline County, Missouri · S 29 T 51 N R 22 W · Structure no. 32346

Built
2003
22 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
121 ft
3 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Durango Ave over Salt Fk is a steel continuous stringer/multi-beam or girder carrying Durango Ave over Salt Fk 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 121 ft (37 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesDurango Ave
CrossesSalt Fk
LocationS 29 T 51 N R 22 W
RouteCounty Highway 417
Coordinates39.18034, -93.33986
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length121 ft (37 m)
Longest span71 ft (21.6 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Durango Ave over Salt Fk built?

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

What condition is Durango Ave over Salt Fk 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 Durango Ave over Salt Fk carry?

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

How long is Durango Ave over Salt Fk?

The structure is 121 ft (37 m) long with a longest span of 71 ft (21.6 m) and a deck 20 ft wide.

Who owns Durango Ave over Salt Fk?

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