US Bridges

New London Gr RD over Bear CR

Fair

Ralls County, Missouri · S 1 T 56 N R 5 W · Structure no. 18431

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
79 ft
2 main spans
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

New London Gr RD over Bear CR is a prestressed concrete tee beam carrying New London Gr RD over Bear CR in Ralls County, Missouri. It was built in 1977, so it is 48 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 5 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 675 by 2043. The structure is 79 ft (24.1 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNew London Gr RD
CrossesBear CR
LocationS 1 T 56 N R 5 W
RouteCity Street 0
Coordinates39.67889, -91.40542
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length79 ft (24.1 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic675 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 New London Gr RD over Bear CR built?

It was built in 1977, making it 48 years old in 2025.

What condition is New London Gr RD over Bear CR 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 July 2024.

How much traffic does New London Gr RD over Bear CR carry?

About 500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is New London Gr RD over Bear CR?

The structure is 79 ft (24.1 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns New London Gr RD over Bear CR?

It is owned by the City or Municipal Highway Agency.