US Bridges

FM 545 over Sister Grove Branch

Good

Collin County, Texas · 4.30 MI E of SH 121 · Structure no. 180430101202004

Built
1948
77 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
6,028
2022 count
Owner
State
State Highway Agency

About this bridge

FM 545 over Sister Grove Branch is a concrete culvert carrying FM 545 over Sister Grove Branch in Collin County, Texas. It was built in 1948, so it is 77 years old, older 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 6,028 vehicles a day, roughly 3% of them trucks, projected to reach 4,170 by 2033. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFM 545
CrossesSister Grove Branch
Location4.30 MI E of SH 121
RouteState Highway 545
CountyCollin County
StateTexas
Coordinates33.29544, -96.49914
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,028 (2022)
Projected traffic4,170 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 545 over Sister Grove Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is FM 545 over Sister Grove 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 May 2023.

How much traffic does FM 545 over Sister Grove Branch carry?

About 6,028 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is FM 545 over Sister Grove Branch?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m).

Who owns FM 545 over Sister Grove Branch?

It is owned by the State Highway Agency.