US Bridges

Benton Ave over Town Br

Fair

Polk County, Missouri · S 1 T 34 N R 23 W · Structure no. 13672

Built
1900
125 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
1,470
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Benton Ave over Town Br is a concrete continuous slab carrying Benton Ave over Town Br in Polk County, Missouri. It was built in 1900, so it is 125 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 1,470 vehicles a day, roughly 10% of them trucks, projected to reach 2,205 by 2044. The structure is 40 ft (12.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesBenton Ave
CrossesTown Br
LocationS 1 T 34 N R 23 W
RouteCity Street 0
CountyPolk County
StateMissouri
Coordinates37.61216, -93.40782
Functional classUrban 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length40 ft (12.2 m)
Longest span13 ft (4 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,470 (2024)
Projected traffic2,205 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Benton Ave over Town Br built?

It was built in 1900, making it 125 years old in 2025.

What condition is Benton Ave over Town 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 April 2024.

How much traffic does Benton Ave over Town Br carry?

About 1,470 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Benton Ave over Town Br?

The structure is 40 ft (12.2 m) long with a longest span of 13 ft (4 m) and a deck 41 ft wide.

Who owns Benton Ave over Town Br?

It is owned by the City or Municipal Highway Agency.