US Bridges

Rp MO370W to IS70E over NS RR

Good

St. Charles County, Missouri · S 29 T 47 N R 4 E · Structure no. 4108

Built
1994
31 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
307 ft
3 main spans
Daily traffic
443
2024 count
Owner
State
State Highway Agency

About this bridge

Rp MO370W to IS70E over NS RR is a prestressed concrete continuous tee beam carrying Rp MO370W to IS70E over NS RR in St. Charles County, Missouri. It was built in 1994, so it is 31 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 443 vehicles a day, roughly 10% of them trucks, projected to reach 753 by 2044. The structure is 307 ft (93.6 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRp MO370W to IS70E
CrossesNS RR
LocationS 29 T 47 N R 4 E
RouteState Highway 0
Coordinates38.80329, -90.59022
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length307 ft (93.6 m)
Longest span119 ft (36.3 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic443 (2024)
Projected traffic753 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Rp MO370W to IS70E over NS RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Rp MO370W to IS70E over NS RR 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 October 2023.

How much traffic does Rp MO370W to IS70E over NS RR carry?

About 443 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rp MO370W to IS70E over NS RR?

The structure is 307 ft (93.6 m) long with a longest span of 119 ft (36.3 m) and a deck 30 ft wide.

Who owns Rp MO370W to IS70E over NS RR?

It is owned by the State Highway Agency.