US Bridges

County RD 4038 over Niemans Br

Fair

Callaway County, Missouri · S 24 T 44 N R 11 W · Structure no. 24626

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 4038 over Niemans Br is a steel stringer/multi-beam or girder carrying County RD 4038 over Niemans Br in Callaway County, Missouri. It was built in 1987, so it is 38 years old, younger 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.

It carries about 75 vehicles a day, roughly 5% of them trucks, projected to reach 113 by 2043. The structure is 82 ft (25 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCounty RD 4038
CrossesNiemans Br
LocationS 24 T 44 N R 11 W
RouteCounty Highway 520
CountyCallaway County
StateMissouri
Coordinates38.5755, -92.11164
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length82 ft (25 m)
Longest span81 ft (24.7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic113 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 4038 over Niemans Br built?

It was built in 1987, making it 38 years old in 2025.

What condition is County RD 4038 over Niemans 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 October 2024.

How much traffic does County RD 4038 over Niemans Br carry?

About 75 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is County RD 4038 over Niemans Br?

The structure is 82 ft (25 m) long with a longest span of 81 ft (24.7 m) and a deck 20 ft wide.

Who owns County RD 4038 over Niemans Br?

It is owned by the County Highway Agency.