US Bridges

Carron RD E over Is 55

Good

Ste. Genevieve County, Missouri · S 3 T 38 N R 7 E · Structure no. 1948

Built
1970
55 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
2 main spans
Daily traffic
164
2024 count
Owner
State
State Highway Agency

About this bridge

Carron RD E over Is 55 is a steel continuous stringer/multi-beam or girder carrying Carron RD E over Is 55 in Ste. Genevieve County, Missouri. It was built in 1970, so it is 55 years old, older 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 164 vehicles a day, roughly 10% of them trucks, projected to reach 230 by 2044. The structure is 252 ft (76.8 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCarron RD E
CrossesIs 55
LocationS 3 T 38 N R 7 E
RouteCounty Highway 0
Coordinates38.02644, -90.24221
Functional classRural Local

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 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 rating35.7 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 15
Structure length252 ft (76.8 m)
Longest span87 ft (26.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2024)
Projected traffic230 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 Carron RD E over Is 55 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Carron RD E over Is 55 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 August 2023.

How much traffic does Carron RD E over Is 55 carry?

About 164 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Carron RD E over Is 55?

The structure is 252 ft (76.8 m) long with a longest span of 87 ft (26.5 m) and a deck 31 ft wide.

Who owns Carron RD E over Is 55?

It is owned by the State Highway Agency.