US Bridges

Rt Hh E over Is 55

Good

Scott County, Missouri · S 3 T 26 N R 14 E · Structure no. 11908

Built
1998
27 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
321 ft
2 main spans
Daily traffic
5,950
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh E over Is 55 is a steel continuous stringer/multi-beam or girder carrying Rt Hh E over Is 55 in Scott County, Missouri. It was built in 1998, so it is 27 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 5,950 vehicles a day, roughly 13% of them trucks, projected to reach 8,628 by 2044. The structure is 321 ft (97.8 m) long and 42 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesRt Hh E
CrossesIs 55
LocationS 3 T 26 N R 14 E
RouteState Highway 0HH
Coordinates36.92001, -89.53385
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length321 ft (97.8 m)
Longest span128 ft (39 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,950 (2024)
Projected traffic8,628 by 2044
Trucks13%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed4.3 mi (7 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 Rt Hh E over Is 55 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Rt Hh 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 February 2025.

How much traffic does Rt Hh E over Is 55 carry?

About 5,950 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt Hh E over Is 55?

The structure is 321 ft (97.8 m) long with a longest span of 128 ft (39 m) and a deck 42 ft wide.

Who owns Rt Hh E over Is 55?

It is owned by the State Highway Agency.