US Bridges

Rt Z S over Peruque CR

Fair

St. Charles County, Missouri · S 25 T 47 N R 1 E · Structure no. 1997

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
3 main spans
Daily traffic
16,755
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z S over Peruque CR is a steel continuous stringer/multi-beam or girder carrying Rt Z S over Peruque CR in St. Charles County, Missouri. It was built in 1969, so it is 56 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 16,755 vehicles a day, roughly 5% of them trucks, projected to reach 30,159 by 2044. The structure is 243 ft (74.2 m) long and 41 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesRt Z S
CrossesPeruque CR
LocationS 25 T 47 N R 1 E
RouteState Highway 0Z
CountySt. Charles County
StateMissouri
Coordinates38.8002, -90.85496
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length243 ft (74.2 m)
Longest span92 ft (28 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,755 (2024)
Projected traffic30,159 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Z S over Peruque CR built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rt Z S over Peruque 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 September 2023.

How much traffic does Rt Z S over Peruque CR carry?

About 16,755 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt Z S over Peruque CR?

The structure is 243 ft (74.2 m) long with a longest span of 92 ft (28 m) and a deck 41 ft wide.

Who owns Rt Z S over Peruque CR?

It is owned by the State Highway Agency.