US Bridges

US 169 S over Mid Fk Grand Rvr

Poor

Worth County, Missouri · S 9 T 65 N R 31 W · Structure no. 299

Built
1960
65 years old, rebuilt 2024
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
364 ft
3 main spans
Daily traffic
913
2024 count
Owner
State
State Highway Agency

About this bridge

US 169 S over Mid Fk Grand Rvr is a steel stringer/multi-beam or girder carrying US 169 S over Mid Fk Grand Rvr in Worth County, Missouri. It was built in 1960 and reconstructed in 2024, so it is 65 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.

It carries about 913 vehicles a day, roughly 17% of them trucks, projected to reach 1,233 by 2044. The structure is 364 ft (110.9 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesUS 169 S
CrossesMid Fk Grand Rvr
LocationS 9 T 65 N R 31 W
RouteU.S. Route 169
Coordinates40.45432, -94.40378
Functional classRural Minor Arterial

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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 20
Structure length364 ft (110.9 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic913 (2024)
Projected traffic1,233 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 169 S over Mid Fk Grand Rvr built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2024.

What condition is US 169 S over Mid Fk Grand Rvr 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 September 2023.

How much traffic does US 169 S over Mid Fk Grand Rvr carry?

About 913 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is US 169 S over Mid Fk Grand Rvr?

The structure is 364 ft (110.9 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns US 169 S over Mid Fk Grand Rvr?

It is owned by the State Highway Agency.