US Bridges

County RD 338 over Br of Hiller CR

Fair

Callaway County, Missouri · S 16 T 46 N R 10 W · Structure no. 18135

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 338 over Br of Hiller CR is a steel stringer/multi-beam or girder carrying County RD 338 over Br of Hiller CR in Callaway County, Missouri. It was built in 1980, so it is 45 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 38 by 2043. The structure is 47 ft (14.3 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty RD 338
CrossesBr of Hiller CR
LocationS 16 T 46 N R 10 W
RouteCounty Highway 174
CountyCallaway County
StateMissouri
Coordinates38.76295, -92.05056
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.7 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic38 by 2043
Trucks5%
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 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 338 over Br of Hiller CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is County RD 338 over Br of Hiller CR 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 338 over Br of Hiller CR carry?

About 25 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is County RD 338 over Br of Hiller CR?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns County RD 338 over Br of Hiller CR?

It is owned by the County Highway Agency.