US Bridges

FM 1774 over Mill Creek

Fair

Grimes County, Texas · 3.6 MI S of SH 105 · Structure no. 170940140002019

Built
1990
35 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
182 ft
6 main spans
Daily traffic
4,397
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1774 over Mill Creek is a concrete stringer/multi-beam or girder carrying FM 1774 over Mill Creek in Grimes County, Texas. It was built in 1990, so it is 35 years old, younger 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 4,397 vehicles a day, roughly 10% of them trucks, projected to reach 5,329 by 2039. The structure is 182 ft (55.5 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesFM 1774
CrossesMill Creek
Location3.6 MI S of SH 105
RouteState Highway 1774
CountyGrimes County
StateTexas
Coordinates30.2983, -95.83504
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,397 (2020)
Projected traffic5,329 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 FM 1774 over Mill Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FM 1774 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 May 2023.

How much traffic does FM 1774 over Mill Creek carry?

About 4,397 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 1774 over Mill Creek?

The structure is 182 ft (55.5 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns FM 1774 over Mill Creek?

It is owned by the State Highway Agency.