US Bridges

260th RD over Elm Br

Good

Saline County, Missouri · S 32 T 51 N R 23 W · Structure no. 31946

Built
2008
17 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

260th RD over Elm Br is a prestressed concrete continuous tee beam carrying 260th RD over Elm Br in Saline County, Missouri. It was built in 2008, so it is 17 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 25% of them trucks, projected to reach 44 by 2044. The structure is 100 ft (30.5 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries260th RD
CrossesElm Br
LocationS 32 T 51 N R 23 W
RouteCounty Highway 79
Coordinates39.17521, -93.46306
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks25%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 260th RD over Elm Br built?

It was built in 2008, making it 17 years old in 2025.

What condition is 260th RD over Elm Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does 260th RD over Elm Br carry?

About 40 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is 260th RD over Elm Br?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 20 ft wide.

Who owns 260th RD over Elm Br?

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