US Bridges

CO NOR70 to SOR70 over Is 70

Poor

Saline County, Missouri · S 5 T 48 N R 23 W · Structure no. 104

Built
1960
65 years old
Condition
Poor
inspected December 2023
Type
Slab
Concrete Continuous
Length
203 ft
4 main spans
Daily traffic
18
2024 count
Owner
State
State Highway Agency

About this bridge

CO NOR70 to SOR70 over Is 70 is a concrete continuous slab carrying CO NOR70 to SOR70 over Is 70 in Saline County, Missouri. It was built in 1960, so it is 65 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 18 vehicles a day, roughly 11% of them trucks, projected to reach 23 by 2044. The structure is 203 ft (61.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO NOR70 to SOR70
CrossesIs 70
LocationS 5 T 48 N R 23 W
RouteState Highway 0
Coordinates38.97864, -93.4582
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length203 ft (61.9 m)
Longest span56 ft (17.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2024)
Projected traffic23 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$1.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO NOR70 to SOR70 over Is 70 built?

It was built in 1960, making it 65 years old in 2025.

What condition is CO NOR70 to SOR70 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 December 2023.

How much traffic does CO NOR70 to SOR70 over Is 70 carry?

About 18 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is CO NOR70 to SOR70 over Is 70?

The structure is 203 ft (61.9 m) long with a longest span of 56 ft (17.1 m) and a deck 27 ft wide.

Who owns CO NOR70 to SOR70 over Is 70?

It is owned by the State Highway Agency.