US Bridges

145th RD over Branch

Good

Putnam County, Missouri · S 17 T 66 N R 21 W · Structure no. 35855

Built
2018
7 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

145th RD over Branch is a steel stringer/multi-beam or girder carrying 145th RD over Branch in Putnam County, Missouri. It was built in 2018, so it is 7 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 24 ft (7.3 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries145th RD
CrossesBranch
LocationS 17 T 66 N R 21 W
RouteCounty Highway 29
Coordinates40.52333, -93.28861
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.6 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 145th RD over Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is 145th RD over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does 145th RD over Branch carry?

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

How long is 145th RD over Branch?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.6 m) and a deck 18 ft wide.

Who owns 145th RD over Branch?

It is owned by the County Highway Agency.