US Bridges

Chestnut RD E over Martins Br

FairPosted for load

Cooper County, Missouri · S 15 T 48 N R 18 W · Structure no. 8114

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
3 main spans
Daily traffic
50
2024 count
Owner
State
State Highway Agency

About this bridge

Chestnut RD E over Martins Br is a steel stringer/multi-beam or girder carrying Chestnut RD E over Martins Br in Cooper County, Missouri. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 12% of them trucks, projected to reach 68 by 2044. The structure is 127 ft (38.7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesChestnut RD E
CrossesMartins Br
LocationS 15 T 48 N R 18 W
RouteCounty Highway 0
CountyCooper County
StateMissouri
Coordinates38.93541, -92.87422
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length127 ft (38.7 m)
Longest span43 ft (13 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic68 by 2044
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Chestnut RD E over Martins Br built?

It was built in 1961, making it 64 years old in 2025.

What condition is Chestnut RD E over Martins 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 July 2023.

How much traffic does Chestnut RD E over Martins Br carry?

About 50 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Chestnut RD E over Martins Br?

The structure is 127 ft (38.7 m) long with a longest span of 43 ft (13 m) and a deck 22 ft wide.

Who owns Chestnut RD E over Martins Br?

It is owned by the State Highway Agency.