US Bridges

Rt D S over Is 70

Poor

Lafayette County, Missouri · S 36 T 49 N R 28 W · Structure no. 44

Built
1963
62 years old
Condition
Poor
inspected January 2025
Type
Slab
Concrete Continuous
Length
205 ft
4 main spans
Daily traffic
4,531
2024 count
Owner
State
State Highway Agency

About this bridge

Rt D S over Is 70 is a concrete continuous slab carrying Rt D S over Is 70 in Lafayette County, Missouri. It was built in 1963, so it is 62 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,531 vehicles a day, roughly 9% of them trucks, projected to reach 6,570 by 2044. The structure is 205 ft (62.5 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesRt D S
CrossesIs 70
LocationS 36 T 49 N R 28 W
RouteState Highway 0D
CountyLafayette County
StateMissouri
Coordinates39.01145, -94.0686
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length205 ft (62.5 m)
Longest span56 ft (17.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,531 (2024)
Projected traffic6,570 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.2 mi (18 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt D S over Is 70 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt D S over Is 70 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Rt D S over Is 70 carry?

About 4,531 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt D S over Is 70?

The structure is 205 ft (62.5 m) long with a longest span of 56 ft (17.1 m) and a deck 29 ft wide.

Who owns Rt D S over Is 70?

It is owned by the State Highway Agency.