US Bridges

Rt H S over Is 55

Good

Scott County, Missouri · S 27 T 27 N R 14 E · Structure no. 33620

Built
2011
14 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
184 ft
2 main spans
Daily traffic
2,890
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Is 55 is a prestressed concrete box beam or girders - single or spread carrying Rt H S over Is 55 in Scott County, Missouri. It was built in 2011, so it is 14 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 2,890 vehicles a day, roughly 12% of them trucks, projected to reach 4,191 by 2044. The structure is 184 ft (56.2 m) long and 36 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesRt H S
CrossesIs 55
LocationS 27 T 27 N R 14 E
RouteState Highway 0H
Coordinates36.95652, -89.5343
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length184 ft (56.2 m)
Longest span92 ft (28 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,890 (2024)
Projected traffic4,191 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt H S over Is 55 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Rt H S 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 H S over Is 55 carry?

About 2,890 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt H S over Is 55?

The structure is 184 ft (56.2 m) long with a longest span of 92 ft (28 m) and a deck 36 ft wide.

Who owns Rt H S over Is 55?

It is owned by the State Highway Agency.