US Bridges

US 61 S over Cst Pearce Blvd Cst Pit

Fair

St. Charles County, Missouri · S 19 T 47 N R 2 E · Structure no. 2402

Built
1973
52 years old, rebuilt 2002
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
417 ft
7 main spans
Daily traffic
31,721
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Cst Pearce Blvd Cst Pit is a steel continuous stringer/multi-beam or girder carrying US 61 S over Cst Pearce Blvd Cst Pit in St. Charles County, Missouri. It was built in 1973 and reconstructed in 2002, so it is 52 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 31,721 vehicles a day, roughly 5% of them trucks, projected to reach 53,926 by 2044. The structure is 417 ft (127.1 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 61 S
CrossesCst Pearce Blvd Cst Pit
LocationS 19 T 47 N R 2 E
RouteU.S. Route 61
Coordinates38.81288, -90.84191
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+1 approach)
Design loadHS 20
Structure length417 ft (127.1 m)
Longest span67 ft (20.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,721 (2024)
Projected traffic53,926 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 61 S over Cst Pearce Blvd Cst Pit built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2002.

What condition is US 61 S over Cst Pearce Blvd Cst Pit 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 August 2023.

How much traffic does US 61 S over Cst Pearce Blvd Cst Pit carry?

About 31,721 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 61 S over Cst Pearce Blvd Cst Pit?

The structure is 417 ft (127.1 m) long with a longest span of 67 ft (20.4 m) and a deck 42 ft wide.

Who owns US 61 S over Cst Pearce Blvd Cst Pit?

It is owned by the State Highway Agency.