US Bridges

Rt Zz S over Salt Pond CR

Good

Saline County, Missouri · S 24 T 49 N R 23 W · Structure no. 29847

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
156
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Zz S over Salt Pond CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt Zz S over Salt Pond CR in Saline County, Missouri. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 156 vehicles a day, roughly 10% of them trucks, projected to reach 195 by 2044. The structure is 130 ft (39.6 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRt Zz S
CrossesSalt Pond CR
LocationS 24 T 49 N R 23 W
RouteState Highway 0ZZ
Coordinates39.0158, -93.38957
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating45.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length130 ft (39.6 m)
Longest span46 ft (14 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2024)
Projected traffic195 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway 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 Rt Zz S over Salt Pond CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Rt Zz S over Salt Pond CR 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 December 2023.

How much traffic does Rt Zz S over Salt Pond CR carry?

About 156 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Zz S over Salt Pond CR?

The structure is 130 ft (39.6 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.

Who owns Rt Zz S over Salt Pond CR?

It is owned by the State Highway Agency.