US Bridges

Rt B S over Mace Br

Fair

Ralls County, Missouri · S 27 T 54 N R 7 W · Structure no. 1191

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
462
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Mace Br is a concrete continuous culvert carrying Rt B S over Mace Br in Ralls County, Missouri. It was built in 1965, so it is 60 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 462 vehicles a day, roughly 24% of them trucks, projected to reach 670 by 2044. The structure is 30 ft (9 m) long and 42 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRt B S
CrossesMace Br
LocationS 27 T 54 N R 7 W
RouteState Highway 0B
Coordinates39.42671, -91.67749
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length30 ft (9 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2024)
Projected traffic670 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Rt B S over Mace Br built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rt B S over Mace Br 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 November 2024.

How much traffic does Rt B S over Mace Br carry?

About 462 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Rt B S over Mace Br?

The structure is 30 ft (9 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns Rt B S over Mace Br?

It is owned by the State Highway Agency.