US Bridges

1100 S over Is 44

Good

Lawrence County, Missouri · S 3 T 27 N R 27 W · Structure no. 8177

Built
1964
61 years old, rebuilt 2024
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
4 main spans
Daily traffic
212
2024 count
Owner
State
State Highway Agency

About this bridge

1100 S over Is 44 is a steel continuous stringer/multi-beam or girder carrying 1100 S over Is 44 in Lawrence County, Missouri. It was built in 1964 and reconstructed in 2024, so it is 61 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 212 vehicles a day, roughly 9% of them trucks, projected to reach 307 by 2044. The structure is 260 ft (79.2 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries1100 S
CrossesIs 44
LocationS 3 T 27 N R 27 W
RouteCounty Highway 1100
Coordinates37.07813, -93.87819
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
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 alignment6: Equal to present minimum criteria
Operating rating63.5 US tons
Inventory rating37.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length260 ft (79.2 m)
Longest span73 ft (22.3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2024)
Projected traffic307 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 1100 S over Is 44 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2024.

What condition is 1100 S over Is 44 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 July 2024.

How much traffic does 1100 S over Is 44 carry?

About 212 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is 1100 S over Is 44?

The structure is 260 ft (79.2 m) long with a longest span of 73 ft (22.3 m) and a deck 25 ft wide.

Who owns 1100 S over Is 44?

It is owned by the State Highway Agency.