US Bridges

NW 11002 over Br Big Deer CR

PoorPosted for load

Bates County, Missouri · S 5 T 41 N R 31 W · Structure no. 17159

Built
1940
85 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

NW 11002 over Br Big Deer CR is a steel stringer/multi-beam or girder carrying NW 11002 over Br Big Deer CR in Bates County, Missouri. It was built in 1940, so it is 85 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 52 by 2043. The structure is 25 ft (7.6 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW 11002
CrossesBr Big Deer CR
LocationS 5 T 41 N R 31 W
RouteCounty Highway 144
Coordinates38.38041, -94.36697
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic52 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 11002 over Br Big Deer CR built?

It was built in 1940, making it 85 years old in 2025.

What condition is NW 11002 over Br Big Deer CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does NW 11002 over Br Big Deer CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW 11002 over Br Big Deer CR?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 19 ft wide.

Who owns NW 11002 over Br Big Deer CR?

It is owned by the County Highway Agency.