US Bridges

Mo 127 S over Blackwater Rvr

Fair

Saline County, Missouri · S 14 T 48 N R 23 W · Structure no. 861

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
576 ft
4 main spans
Daily traffic
1,102
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 127 S over Blackwater Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 127 S over Blackwater Rvr in Saline County, Missouri. It was built in 1963 and reconstructed in 2009, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,102 vehicles a day, roughly 10% of them trucks, projected to reach 1,378 by 2044. The structure is 576 ft (175.6 m) long and 31 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesMo 127 S
CrossesBlackwater Rvr
LocationS 14 T 48 N R 23 W
RouteState Highway 127
CountySaline County
StateMissouri
Coordinates38.94563, -93.41626
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+4 approach)
Design loadH 20
Structure length576 ft (175.6 m)
Longest span96 ft (29.3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,102 (2024)
Projected traffic1,378 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 127 S over Blackwater Rvr built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is Mo 127 S over Blackwater Rvr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Mo 127 S over Blackwater Rvr carry?

About 1,102 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 127 S over Blackwater Rvr?

The structure is 576 ft (175.6 m) long with a longest span of 96 ft (29.3 m) and a deck 31 ft wide.

Who owns Mo 127 S over Blackwater Rvr?

It is owned by the State Highway Agency.