US Bridges

NW Starfield RD over Mcguire Br

Fair

Clinton County, Missouri · S 19 T 56 N R 32 W · Structure no. 22439

Built
1904
121 years old, rebuilt 1984
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

NW Starfield RD over Mcguire Br is a steel stringer/multi-beam or girder carrying NW Starfield RD over Mcguire Br in Clinton County, Missouri. It was built in 1904 and reconstructed in 1984, so it is 121 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 5 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2043. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW Starfield RD
CrossesMcguire Br
LocationS 19 T 56 N R 32 W
RouteCounty Highway 356
CountyClinton County
StateMissouri
Coordinates39.6461, -94.53588
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadOther
Structure length65 ft (19.8 m)
Longest span52 ft (15.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic35 by 2043
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Starfield RD over Mcguire Br built?

It was built in 1904, making it 121 years old in 2025. It was reconstructed in 1984.

What condition is NW Starfield RD over Mcguire 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 December 2024.

How much traffic does NW Starfield RD over Mcguire Br carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW Starfield RD over Mcguire Br?

The structure is 65 ft (19.8 m) long with a longest span of 52 ft (15.8 m) and a deck 24 ft wide.

Who owns NW Starfield RD over Mcguire Br?

It is owned by the County Highway Agency.