US Bridges

Rt a S over Allen Br

Good

Scotland County, Missouri · S 16 T 65 N R 10 W · Structure no. 35008

Built
2015
10 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
99 ft
2 main spans
Daily traffic
514
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Allen Br is a prestressed concrete continuous box beam or girders - single or spread carrying Rt a S over Allen Br in Scotland County, Missouri. It was built in 2015, so it is 10 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 514 vehicles a day, roughly 14% of them trucks, projected to reach 745 by 2044. The structure is 99 ft (30.3 m) long and 27 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt a S
CrossesAllen Br
LocationS 16 T 65 N R 10 W
RouteState Highway 0A
Coordinates40.44308, -92.0217
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length99 ft (30.3 m)
Longest span55 ft (16.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic514 (2024)
Projected traffic745 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt a S over Allen Br built?

It was built in 2015, making it 10 years old in 2025.

What condition is Rt a S over Allen Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Rt a S over Allen Br carry?

About 514 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Rt a S over Allen Br?

The structure is 99 ft (30.3 m) long with a longest span of 55 ft (16.7 m) and a deck 27 ft wide.

Who owns Rt a S over Allen Br?

It is owned by the State Highway Agency.