US Bridges

FM 591 over Mill Creek

Fair

Comanche County, Texas · 0.35 MI W of FM 1702 · Structure no. 230470103901007

Built
1952
73 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
169
2020 count
Owner
State
State Highway Agency

About this bridge

FM 591 over Mill Creek is a concrete culvert carrying FM 591 over Mill Creek in Comanche County, Texas. It was built in 1952, so it is 73 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 169 vehicles a day, roughly 3% of them trucks, projected to reach 160 by 2033. The structure is 27 ft (8.2 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFM 591
CrossesMill Creek
Location0.35 MI W of FM 1702
RouteState Highway 591
CountyComanche County
StateTexas
Coordinates31.88539, -98.33635
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44.6 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2020)
Projected traffic160 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 591 over Mill Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is FM 591 over Mill Creek 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 August 2023.

How much traffic does FM 591 over Mill Creek carry?

About 169 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is FM 591 over Mill Creek?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 21 ft wide.

Who owns FM 591 over Mill Creek?

It is owned by the State Highway Agency.