US Bridges

Thunderbird LN over Bowman Creek

Good

Collin County, Texas · 0.05 MI S of Cambridge ST · Structure no. 180430C03750001

Built
1993
32 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
442
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thunderbird LN over Bowman Creek is a concrete culvert carrying Thunderbird LN over Bowman Creek in Collin County, Texas. It was built in 1993, so it is 32 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 442 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2031. The structure is 33 ft (10.1 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesThunderbird LN
CrossesBowman Creek
Location0.05 MI S of Cambridge ST
RouteCity Street 0
StateTexas
Coordinates33.04784, -96.70989
Functional classUrban 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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span9 ft (2.7 m)
Deck width49 ft (14.8 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic442 (2019)
Projected traffic600 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thunderbird LN over Bowman Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Thunderbird LN over Bowman 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 December 2024.

How much traffic does Thunderbird LN over Bowman Creek carry?

About 442 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Thunderbird LN over Bowman Creek?

The structure is 33 ft (10.1 m) long with a longest span of 9 ft (2.7 m) and a deck 49 ft wide.

Who owns Thunderbird LN over Bowman Creek?

It is owned by the City or Municipal Highway Agency.