US Bridges

Mcmillen RD over Muddy Creek

Good

Collin County, Texas · 0.75 MI W of FM 1378 · Structure no. 180430K00867001

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
6,574
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcmillen RD over Muddy Creek is a concrete culvert carrying Mcmillen RD over Muddy Creek in Collin County, Texas. It was built in 1989, so it is 36 years old, younger than the Texas average of 44.4 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 6,574 vehicles a day, projected to reach 180 by 2030. The structure is 34 ft (10.4 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMcmillen RD
CrossesMuddy Creek
Location0.75 MI W of FM 1378
RouteCity Street 298
CountyCollin County
StateTexas
Coordinates33.03256, -96.58097
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width44 ft (13.5 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,574 (2019)
Projected traffic180 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mcmillen RD over Muddy Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mcmillen RD over Muddy Creek 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 March 2023.

How much traffic does Mcmillen RD over Muddy Creek carry?

About 6,574 vehicles per day (2019 count).

How long is Mcmillen RD over Muddy Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns Mcmillen RD over Muddy Creek?

It is owned by the City or Municipal Highway Agency.