US Bridges

ST Louis Inn RD W over Is 44

Fair

Franklin County, Missouri · S 8 T 41 N R 1 W · Structure no. 1585

Built
1972
53 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
199 ft
4 main spans
Daily traffic
158
2024 count
Owner
State
State Highway Agency

About this bridge

ST Louis Inn RD W over Is 44 is a steel continuous stringer/multi-beam or girder carrying ST Louis Inn RD W over Is 44 in Franklin County, Missouri. It was built in 1972, so it is 53 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 6 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 158 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2044. The structure is 199 ft (60.7 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesST Louis Inn RD W
CrossesIs 44
LocationS 8 T 41 N R 1 W
RouteCounty Highway 0
CountyFranklin County
StateMissouri
Coordinates38.31097, -91.0597
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length199 ft (60.7 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2024)
Projected traffic300 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST Louis Inn RD W over Is 44 built?

It was built in 1972, making it 53 years old in 2025.

What condition is ST Louis Inn RD W over Is 44 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 October 2023.

How much traffic does ST Louis Inn RD W over Is 44 carry?

About 158 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is ST Louis Inn RD W over Is 44?

The structure is 199 ft (60.7 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns ST Louis Inn RD W over Is 44?

It is owned by the State Highway Agency.