US Bridges

Spencer CR LN over Spencer CR

Good

Ralls County, Missouri · S 14 T 55 N R 4 W · Structure no. 32240

Built
2009
16 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Spencer CR LN over Spencer CR is a prestressed concrete stringer/multi-beam or girder carrying Spencer CR LN over Spencer CR in Ralls County, Missouri. It was built in 2009, so it is 16 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 40 vehicles a day, roughly 25% of them trucks, projected to reach 50 by 2043. The structure is 240 ft (73.2 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSpencer CR LN
CrossesSpencer CR
LocationS 14 T 55 N R 4 W
RouteCounty Highway 93
Coordinates39.54198, -91.31843
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic50 by 2043
Trucks25%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Spencer CR LN over Spencer CR built?

It was built in 2009, making it 16 years old in 2025.

What condition is Spencer CR LN over Spencer CR 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 June 2024.

How much traffic does Spencer CR LN over Spencer CR carry?

About 40 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Spencer CR LN over Spencer CR?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 25 ft wide.

Who owns Spencer CR LN over Spencer CR?

It is owned by the County Highway Agency.